Esta página en tu idioma

English

فارسی

العربية

Deutsch

Français

日本語

한국어

Português

中文

हिन्दी

B1 noun #1,500 más común 10 min de lectura

Wi-Fi

waifai Top 1,500

Practícalo Ejemplos Notas y consejos Wi-Fi en 30 segundos

Explicación Wi-Fi in your Level:

At the A1 level, learners should recognize 'Wi-Fi' as a fundamental word for survival and basic communication in Japan. Since it is a loanword, it is easy to identify. At this stage, focus on simple phrases like 'Wi-Fi arimasu ka?' (Is there Wi-Fi?) and 'Wi-Fi pasuwado' (Wi-Fi password). You will see this word on signs in cafes, airports, and hotels. It's important to learn the Japanese pronunciation 'wa-i-fa-i' to be understood by locals. You don't need to know technical details, just how to ask for it and where to find the password. Most A1 learners will use it in the context of traveling or visiting a friend's house. Understanding that 'Free Wi-Fi' means 'muryo' (free of charge) is also helpful. You might also learn 'Wi-Fi tsukaemasu' (You can use Wi-Fi) as a basic sentence pattern. This level is all about identifying the service and gaining access to it for basic needs like Google Maps or messaging.

Regístrate gratis para leer la explicación completa

At the A2 level, you can begin to use 'Wi-Fi' in more complete sentences and understand basic instructions. You should be able to describe the quality of the connection using simple adjectives like 'hayai' (fast) or 'osoi' (slow). You can also use the verb 'tsunagu' (to connect) in its polite form 'tsunagimasu'. For example, 'Wi-Fi ni tsunagimasu' (I will connect to the Wi-Fi). You might also understand basic signs that say 'Wi-Fi tsukaemasu' (Wi-Fi is usable) or 'Wi-Fi arimasen' (There is no Wi-Fi). At this level, you can also ask for help: 'Wi-Fi no tsunagikata o oshiete kudasai' (Please tell me how to connect to the Wi-Fi). You will start to notice the difference between 'Free Wi-Fi' and 'Pocket Wi-Fi' when looking at rental options at the airport. You can also express basic problems, such as 'Wi-Fi ga yowai desu' (The Wi-Fi is weak). This level allows you to manage your connectivity needs independently in most common situations.

Regístrate gratis para leer la explicación completa

At the B1 level, you are expected to handle more complex interactions involving Wi-Fi. You can discuss 'Wi-Fi kankyo' (Wi-Fi environment) and understand more nuanced verbs like 'kireru' (to disconnect/drop) or 'hairu' (to be receivable). You can explain issues in more detail, such as 'Wi-Fi ga sugite kirete shimaimasu' (The Wi-Fi keeps disconnecting). You should be comfortable with the particle 'ni' for connection: 'Wi-Fi ni setsuzoku suru'. At this level, you can also understand the registration processes for public Wi-Fi, which often involve reading short instructions in Japanese. You might use 'Wi-Fi' in the context of work or study, such as 'Wi-Fi ga aru kafe de benkyo shimasu' (I will study at a cafe that has Wi-Fi). You can also compare different Wi-Fi services or plans using 'no hou ga' (this one is better). This level represents a transition from basic survival to being able to discuss and manage your digital environment in Japanese.

At the B2 level, you can use 'Wi-Fi' in technical and professional contexts. You understand the term 'Musen LAN' and when it is appropriate to use it instead of 'Wi-Fi'. You can discuss the stability of a network using terms like 'fuantei' (unstable) or 'kaisen ga konde iru' (the line is crowded/congested). You can also talk about the impact of Wi-Fi on productivity or lifestyle, such as 'Wi-Fi kankyo ga totonotte inai to, terewaku wa muzukashii' (Without a well-equipped Wi-Fi environment, remote work is difficult). You can understand and explain the security aspects of Wi-Fi, such as 'koukyou no Wi-Fi' (public Wi-Fi) versus 'kojin no Wi-Fi' (personal Wi-Fi) and the risks involved. You are able to follow complex troubleshooting guides in Japanese and can describe specific technical issues to a support person. Your vocabulary includes related terms like 'ruutaa' (router), 'tanmatsu' (terminal/device), and 'shuuhaasuu' (frequency).

Regístrate gratis para leer la explicación completa

At the C1 level, you can engage in sophisticated discussions about the societal and technical implications of Wi-Fi technology. You can talk about the 'digital divide' (dejitaru debaito) and how Wi-Fi availability affects different regions of Japan. You can use 'Wi-Fi' as a starting point to discuss broader topics like 'smart cities', 'ubiquitous networking', and the 'Internet of Things' (IoT). You are comfortable with formal business Japanese when negotiating internet service contracts or discussing office infrastructure. You can understand academic or technical papers regarding wireless protocols and signal interference. You can also use idiomatic or metaphorical language related to connectivity. Your understanding of the word is deeply integrated with your knowledge of Japanese technology culture, including the history of mobile internet in Japan (like i-mode) and how it transitioned to the Wi-Fi-centric world of today. You can debate the pros and cons of 5G versus Wi-Fi 6 in a professional setting.

Regístrate gratis para leer la explicación completa

At the C2 level, your mastery of the term 'Wi-Fi' and its related concepts is near-native. You can discuss the most minute technical details of wireless standards (802.11ax, etc.) in Japanese with experts. You can provide high-level consultancy on network infrastructure and security. Beyond technicality, you can analyze the cultural nuances of how 'Wi-Fi' is marketed and perceived in Japan compared to other countries. You can write professional-grade articles or reports on the future of wireless connectivity. You understand the subtle registers of language used by ISPs (Internet Service Providers) in their legal terms and conditions. You can use the term in creative writing or high-level oratory, perhaps using it as a metaphor for human connection in the digital age. At this level, 'Wi-Fi' is just one small part of a vast, interconnected web of technical, social, and linguistic knowledge that you navigate with ease and precision.

Regístrate gratis para leer la explicación completa

Practícalo Ejemplos Notas y consejos

Wi-Fi en 30 segundos

Wi-Fi is a wireless technology for internet access, essential for modern life and travel in Japan.
The Japanese pronunciation is 'wa-i-fa-i', and it is used as a loanword in daily conversation.
Commonly found in public spaces like cafes, hotels, and stations, often requiring a password or registration.
Key verbs include 'tsunagu' (connect) and 'tsukau' (use), with 'denpa' referring to the signal strength.

Wi-Fi, pronounced in Japanese as ワイファイ (waifai), is a ubiquitous term representing the wireless networking technology that allows devices such as smartphones, laptops, and tablets to interface with the internet without physical cables. In the Japanese context, Wi-Fi is more than just a technical standard; it is a critical infrastructure component of modern daily life, essential for navigation, social communication, and business operations. The term itself is a noun, but it often functions as a prefix for various services and locations. When you are in Japan, you will frequently see signs for 'Free Wi-Fi' in cafes, train stations, and convenience stores. Understanding how to ask for and use Wi-Fi is one of the most practical skills for any learner or traveler in Japan.

Technical Definition: A local area wireless technology that allows an electronic device to exchange data or connect to the internet using 2.4 GHz UHF and 5 GHz SHF radio waves.

すみません、ここにはWi-Fiがありますか？ (Excuse me, is there Wi-Fi here?)

In Japan, the availability of Wi-Fi has evolved significantly. Historically, Japan relied heavily on cellular data (LTE/4G), but with the influx of international tourism, public Wi-Fi hotspots have become standardized. You will find 'SSIDs' (Service Set Identifiers) specifically designed for tourists, often requiring a one-time registration. The word 'Wi-Fi' is used exactly like its English counterpart, making it an easy 'loanword' (gairaigo) for English speakers to remember. However, the pronunciation follows Japanese phonetics: 'wa-i-fa-i'.

Common Usage: Wi-Fiをつなぐ (Connect to Wi-Fi), Wi-Fiが切れる (Wi-Fi disconnects), Wi-Fiの速度 (Wi-Fi speed).

ホテルのWi-Fiのパスワードを教えてください。 (Please tell me the hotel's Wi-Fi password.)

The concept of Wi-Fi is also tied to the 'Internet of Things' (IoT) in Japan, where everything from rice cookers to refrigerators might be connected to the home network. When discussing home internet, people might distinguish between 'fixed line' (hikari kaisen) and 'Wi-Fi' (the wireless signal distributed by the router). It is important to note that while Wi-Fi is the signal, many people use the term interchangeably with 'internet connection' in casual conversation.

Synonymous Concepts: 無線LAN (Musen LAN - Wireless LAN), インターネット (Internet), ネット (Net).

このWi-Fiはとても速いです。 (This Wi-Fi is very fast.)

Finally, the social etiquette of Wi-Fi in Japan involves not monopolizing public signals for heavy downloading in crowded spaces and ensuring your device doesn't make loud noises while connected in quiet areas like libraries or certain 'silver seats' on trains where electronic devices were traditionally discouraged (though this is changing). The term 'Wi-Fi' remains the standard way to refer to this technology across all age groups in Japan today.

Using the word 'Wi-Fi' in Japanese is straightforward because it is a loanword. However, the verbs associated with it are specific. To say 'to connect to Wi-Fi,' you use the verb 'tsunagu' (つなぐ) or 'setsuzoku suru' (接続する). In casual settings, 'Wi-Fi ni tsunagu' is the most common phrasing. If you want to ask if Wi-Fi is available, you use 'Wi-Fi wa arimasu ka?' or 'Wi-Fi tsukaemasu ka?' (Can I use Wi-Fi?).

Verb Pairings: つなぐ (to connect), 切れる (to disconnect/drop), 入る (to be available/receivable), 飛んでいる (to be 'flying' or present in the air).

地下鉄ではWi-Fiが入りにくいです。 (Wi-Fi is hard to get in the subway.)

When you encounter a weak signal, you might say 'Wi-Fi ga yowai' (The Wi-Fi is weak). If the connection is unstable, 'Wi-Fi ga fuantei' is appropriate. In a business context, you might discuss 'Wi-Fi kankyo' (Wi-Fi environment), referring to the overall quality and availability of the network in an office or venue. For example, 'Koko wa Wi-Fi kankyo ga totonotte imasu' (This place has a well-equipped Wi-Fi environment).

Asking for Access: パスワードは何ですか？ (What is the password?), ログインが必要ですか？ (Is a login required?).

フリーWi-Fiの使い方を教えてください。 (Please tell me how to use the free Wi-Fi.)

In more technical or formal discussions, you might hear 'Musen LAN' (Wireless LAN). While 'Wi-Fi' is the consumer term, 'Musen LAN' is often used in manuals or by IT professionals. If you are setting up a router at home, the instructions will likely use both terms. Another common phrase is 'Giga ga tarinai' (I don't have enough 'gigas'), which refers to running out of cellular data, making Wi-Fi even more desirable.

Describing Quality: サクサク動く (Moves smoothly/fast), 重い (Heavy/Slow), 繋がらない (Won't connect).

このWi-Fi、全然繋がらないんだけど。 (This Wi-Fi won't connect at all.)

When traveling, you might see 'Wi-Fi spot' (Wi-Fiスポット) signs. These indicate areas where public Wi-Fi is available. In some cases, you might need to use an app like 'Japan Connected-free Wi-Fi' to access multiple networks easily. Knowing the phrase 'Wi-Fi no tettei' (Wi-Fi settings) is also useful when troubleshooting your device with a Japanese speaker.

You will hear 'Wi-Fi' almost everywhere in urban Japan. It is a staple of the service industry. In cafes like Starbucks, Doutor, or Tully's, staff might mention the Wi-Fi availability when you order, or you will see cards on the table with login instructions. At airports (Narita, Haneda, Kansai), announcements frequently remind passengers of the free Wi-Fi services available throughout the terminals.

Typical Locations: カフェ (Cafes), ホテル (Hotels), 空港 (Airports), 駅 (Stations), コンビニ (Convenience stores).

「お客様、こちらのWi-Fiは1時間無料でご利用いただけます。」 ('Customer, you can use this Wi-Fi for free for one hour.')

In hotels and 'ryokans' (traditional inns), the front desk staff will almost always provide a 'Wi-Fi guide' or point to a sign on the desk. They might say, 'O-heya de Wi-Fi ga go-riyo itadakemasu' (Wi-Fi is available in your room). In modern offices, the 'Wi-Fi no pasuwado' is often the first thing shared with visiting clients or new employees. You'll also hear it in electronics stores like Yodobashi Camera or Bic Camera, where staff sell 'Wi-Fi routers' or 'Pocket Wi-Fi' contracts.

Announcements: 車内Wi-Fi完備 (Fully equipped with in-car Wi-Fi), 公衆無線LANサービス (Public wireless LAN service).

新幹線の中でWi-Fiを使いたいのですが。 (I want to use Wi-Fi on the Shinkansen.)

On public transport, particularly long-distance buses and newer Shinkansen trains, you will see stickers saying 'Wi-Fi FREE'. The automated announcements might say, 'Shinkansen Free Wi-Fi ga go-riyo itadakemasu.' In social settings, friends might ask each other, 'Wi-Fi tsunaideru?' (Are you connected to the Wi-Fi?) to avoid using up their mobile data plan while watching videos or playing games together.

Advertising Terms: 高速Wi-Fi (High-speed Wi-Fi), 無制限 (Unlimited), 初月無料 (First month free).

「こちらのカフェはWi-Fi完備です。」 ('This cafe is fully equipped with Wi-Fi.')

Lastly, in the gaming community in Japan, Wi-Fi is a constant topic. Players discuss 'Wi-Fi taizen' (Wi-Fi battles) or complain about 'lag' (ragu) due to poor Wi-Fi connections. In the world of remote work (terewaku), hearing 'Wi-Fi no choshi ga warui' (The Wi-Fi is in bad condition/acting up) is a common excuse for dropping out of a Zoom or Teams meeting.

While 'Wi-Fi' is a loanword, there are several nuances and common mistakes learners make when using it in Japanese. The most frequent mistake is pronunciation. English speakers often say 'Why-Fy' with a very strong 'y' sound, whereas in Japanese, it is 'Wa-i-fa-i'. Each syllable is distinct and has equal weight. Mispronouncing it might lead to confusion, especially with older staff who are accustomed to the katakana rhythm.

Pronunciation Error: Incorrect: 'Wai-Fai' (English style). Correct: 'Wa-i-fa-i' (Japanese style).

× Wi-Fiをします (I do Wi-Fi). ○ Wi-Fiを使います (I use Wi-Fi).

Another common mistake is using the wrong verb. Beginners often say 'Wi-Fi o shimasu' (I do Wi-Fi), which is grammatically incorrect. You should use 'Wi-Fi o tsukaimasu' (I use Wi-Fi) or 'Wi-Fi ni tsunagimasu' (I connect to Wi-Fi). Similarly, when the Wi-Fi isn't working, don't say 'Wi-Fi ga shinimashita' (The Wi-Fi died); instead, use 'Wi-Fi ga kireta' (The Wi-Fi disconnected) or 'Wi-Fi ga tsunagaranai' (The Wi-Fi won't connect).

Particle Misuse: Using 'o' instead of 'ni' with 'tsunagu'. It should be 'Wi-Fi ni tsunagu'.

× Wi-Fiを繋ぐ。 ○ Wi-Fiに繋ぐ。

Confusing 'Pocket Wi-Fi' with 'Home Wi-Fi' can also lead to misunderstandings when signing contracts. If you ask for 'Wi-Fi' at a shop, they might assume you want a home router (hikari kaisen) unless you specify 'Pocket Wi-Fi' or 'Mobile Wi-Fi'. Also, be careful with the term 'Free Wi-Fi'. In Japan, 'Free' usually means 'no cost', but it doesn't always mean 'open'. Most 'Free Wi-Fi' requires an email registration or social media login, so don't be surprised if it doesn't work instantly.

Cultural Misstep: Assuming Wi-Fi is always free. Some hotels still charge or require a specific membership.

「Wi-Fi、有料ですか？」 ('Is the Wi-Fi paid/not free?')

Finally, avoid using 'Wi-Fi' to mean 'cell signal'. If you have no bars on your phone, saying 'Wi-Fi ga nai' is confusing if you actually mean you have no 4G/5G signal. In that case, use 'Denpa ga nai' (There is no signal/radio wave). This distinction is important for troubleshooting connectivity issues with Japanese speakers.

Several terms in Japanese are related to Wi-Fi but have distinct meanings. Understanding these will help you navigate technical and casual conversations more effectively. The most formal equivalent is 'Musen LAN' (無線LAN), which is often used in technical specifications and official documentation. While 'Wi-Fi' is the brand/technology name people use daily, 'Musen LAN' is the category it belongs to.

Wi-Fi vs. Musen LAN: Wi-Fi is the casual, everyday term. Musen LAN is the technical term used in manuals and by IT pros.

このパソコンは無線LANに対応しています。 (This PC supports wireless LAN.)

Another related term is 'Denpa' (電波), which means 'radio waves' or 'signal'. People often say 'Denpa ga yowai' (The signal is weak) to refer to both Wi-Fi and cellular signals. However, 'Wi-Fi' specifically refers to the wireless network signal from a router, whereas 'Denpa' is more general. Then there is 'Internet' (インターネット), which is the global network itself. You use Wi-Fi to access the Internet.

Wi-Fi vs. Denpa: Wi-Fi is the specific network. Denpa is the general term for any wireless signal (radio, TV, mobile, Wi-Fi).

電波の状態が悪くて、Wi-Fiが切れてしまった。 (The signal state was bad, and the Wi-Fi cut out.)

'Tethering' (テザリング - tezaringu) is another important word. This is when you use your smartphone as a Wi-Fi hotspot for other devices. In Japan, some mobile plans require an extra fee for tethering, so it's a common topic of discussion. Lastly, 'LAN keburu' (LANケーブル) refers to the physical Ethernet cable. If someone says 'Wi-Fi ja nakute, yusen de tsunagu' (Not Wi-Fi, connect by wire), they are talking about using a LAN cable.

Wi-Fi vs. Tethering: Wi-Fi usually comes from a router. Tethering is creating a Wi-Fi signal from your phone's data.

テザリングを使えば、どこでもWi-Fiが使えます。 (If you use tethering, you can use Wi-Fi anywhere.)

Understanding these distinctions—between the signal (denpa), the technology (Wi-Fi/Musen LAN), the physical cable (yusen/LAN keburu), and the method of sharing data (tezaringu)—will make you sound much more fluent and technically proficient in Japanese.

How Formal Is It?

Nivel de dificultad

Gramática que debes saber

Potential form (tsukaeru, tsunagareru)

Te-form for reasons (Wi-Fi ga nakute...)

Noun + 'no' + Noun (Wi-Fi no pasuwado)

Adjective + 'sou' (Wi-Fi ga haya-sou)

Passive form (seigen ga kakerareru)

Regístrate gratis para leer la explicación completa

Ejemplos por nivel

Wi-Fiはありますか？

Is there Wi-Fi?

Basic 'arimasu ka' question pattern.

Wi-Fiのパスワードを教えてください。

Please tell me the Wi-Fi password.

Using 'o oshiete kudasai' for requests.

ここはフリーWi-Fiです。

This is free Wi-Fi.

Simple 'A wa B desu' structure.

Wi-Fi、使えますか？

Can I use Wi-Fi?

Potential form 'tsukaemasu'.

Wi-Fiの名前は何ですか？

What is the Wi-Fi name (SSID)?

Asking for the name/identity of something.

ホテルのWi-Fiは無料です。

The hotel Wi-Fi is free.

Possessive 'no' and 'muryo' (free).

Wi-Fiを繋ぎます。

I will connect to the Wi-Fi.

Action verb 'tsunagu'.

Wi-Fi、速いですね。

The Wi-Fi is fast, isn't it?

Adjective 'hayai' with particle 'ne'.

このカフェはWi-Fiが使えて便利です。

This cafe is convenient because you can use Wi-Fi.

Te-form for connecting reasons.

Wi-Fiが全然繋がりません。

The Wi-Fi won't connect at all.

Negative potential form 'tsunagaranai'.

地下ではWi-Fiが入りにくいです。

Wi-Fi is hard to get underground.

Verb stem + 'nikui' (hard to do).

ポケットWi-Fiを借りたいです。

I want to rent a pocket Wi-Fi.

Desire form 'tai desu'.

Wi-Fiの設定を確認してください。

Please check the Wi-Fi settings.

Noun 'tettei' (settings) + 'kakunin' (check).

Wi-Fiの電波が弱いです。

The Wi-Fi signal is weak.

Using 'denpa' to refer to signal strength.

パスワードを入れてもWi-Fiが使えません。

Even if I enter the password, I can't use the Wi-Fi.

Te-form + 'mo' (even if).

Wi-Fiがつながったら、教えてください。

Please let me know when the Wi-Fi connects.

Conditional 'tara'.

Wi-Fi環境が良い場所を探しています。

I'm looking for a place with a good Wi-Fi environment.

Compound noun 'Wi-Fi kankyo'.

Wi-Fiが急に切れてしまいました。

The Wi-Fi suddenly disconnected (unfortunately).

Te-shimau for accidental/unfortunate actions.

公衆Wi-Fiを使うときはセキュリティに気をつけてください。

Please be careful about security when using public Wi-Fi.

Toki (when) + ni ki o tsukeru (be careful).

このホテルは全室Wi-Fi完備です。

This hotel is fully equipped with Wi-Fi in all rooms.

Kanbi (fully equipped) suffix.

Wi-Fiの速度制限がかかってしまいました。

A speed limit has been placed on the Wi-Fi.

Passive-like expression 'seigen ga kakaru'.

Wi-Fiのルーターを再起動してみましょう。

Let's try restarting the Wi-Fi router.

Te-miru (try doing) + mashou (let's).

Wi-Fiが不安定なので、有線で繋ぎます。

The Wi-Fi is unstable, so I'll connect via wire.

Reason 'node' + 'yusen' (wired).

Wi-Fiの接続方法が複雑で分かりにくいです。

The Wi-Fi connection method is complicated and hard to understand.

Verb stem + 'nikui' (hard to).

Wi-Fi 6に対応した最新のルーターを購入しました。

I bought the latest router that supports Wi-Fi 6.

Ni taiou shita (corresponding to/supporting).

Wi-Fiの干渉を避けるために、チャンネルを変更しました。

I changed the channel to avoid Wi-Fi interference.

Tame ni (in order to) + kanshou (interference).

このエリアはフリーWi-Fiのスポットが充実しています。

This area is well-supplied with free Wi-Fi spots.

Juujitsu shite iru (to be well-equipped/full).

テレワークの普及により、自宅のWi-Fi環境を強化する人が増えています。

With the spread of remote work, more people are strengthening their home Wi-Fi environments.

Ni yori (due to/by means of).

Wi-Fiのパスワードを定期的に変更することは、セキュリティ上重要です。

Changing your Wi-Fi password regularly is important for security reasons.

Koto (nominalizer) + jou (from the standpoint of).

Wi-Fiの電波強度が十分でないため、中継機を設置しました。

Because the Wi-Fi signal strength wasn't sufficient, I installed a repeater.

Tame (because) + chuukeiki (repeater/extender).

公共のWi-Fiを利用する際は、VPNの使用を推奨します。

When using public Wi-Fi, the use of a VPN is recommended.

Sai (formal 'when') + suishou (recommendation).

Wi-Fiの規格によって、最大通信速度が異なります。

The maximum communication speed differs depending on the Wi-Fi standard.

Ni yotte (depending on).

Wi-Fiの脆弱性を突いたサイバー攻撃への対策が急務となっている。

Measures against cyberattacks exploiting Wi-Fi vulnerabilities have become an urgent task.

Formal 'to natte iru' and 'zeijakusei' (vulnerability).

都市部におけるWi-Fiの飽和状態が、通信品質の低下を招いている。

The saturation of Wi-Fi in urban areas is leading to a decline in communication quality.

Houwa (saturation) + maneku (to invite/lead to).

次世代Wi-Fi技術は、超低遅延と多接続を実現することが期待されている。

Next-generation Wi-Fi technology is expected to achieve ultra-low latency and multiple connections.

Chou-tei-chien (ultra-low latency) + jitsugen (realization).

Wi-Fiの普及は、教育格差を是正するための重要な鍵となるだろう。

The spread of Wi-Fi will likely be an important key to correcting educational disparities.

Zesei (correction) + darou (conjecture).

社内のWi-Fiネットワークを再構築し、トラフィックの最適化を図った。

We reconstructed the internal Wi-Fi network and aimed for traffic optimization.

Saikouchiku (reconstruction) + hakaru (to aim for).

Wi-Fi信号の減衰を最小限に抑えるため、建材の選定に配慮した。

In order to minimize the attenuation of Wi-Fi signals, consideration was given to the selection of building materials.

Gensui (attenuation) + hairyo (consideration).

Wi-Fiと5Gの共存は、今後のモバイル通信戦略において不可欠な要素である。

The coexistence of Wi-Fi and 5G is an indispensable element in future mobile communication strategies.

Kyouson (coexistence) + fukabutsu (indispensable).

Wi-Fiの利用履歴から人流データを解析し、マーケティングに活用する。

Analyze pedestrian flow data from Wi-Fi usage history and utilize it for marketing.

Jinryuu (human flow) + katsuyou (utilization).

Wi-Fiプロトコルの根幹に関わる脆弱性が発見され、業界全体に激震が走った。

A vulnerability affecting the very core of the Wi-Fi protocol was discovered, sending shockwaves through the entire industry.

Konkan (root/core) + gekishin (shockwaves).

電磁波干渉の極めて少ない環境下で、Wi-Fiの理論上の限界速度を検証する。

Verify the theoretical limit speed of Wi-Fi in an environment with extremely low electromagnetic interference.

Kankyou-ka (under the environment) + kenshou (verification).

Wi-Fiの遍在化は、我々のプライバシーに対する概念を根本から覆しかねない。

The ubiquity of Wi-Fi could potentially overturn our fundamental concepts of privacy.

Henzaika (ubiquity) + kanenai (might/could).

メッシュWi-Fiネットワークの動的ルーティングアルゴリズムを最適化する。

Optimize the dynamic routing algorithm of a mesh Wi-Fi network.

Douteki (dynamic) + saitekika (optimization).

Wi-Fiの標準化プロセスにおける各企業の思惑が、技術の進化を左右している。

The ulterior motives of various companies in the Wi-Fi standardization process are influencing the evolution of the technology.

Omowaku (motives) + sayuu suru (to influence/control).

Wi-Fi 7の導入により、物理層とMAC層の双方で革新的な改善がなされた。

With the introduction of Wi-Fi 7, innovative improvements were made in both the physical layer and the MAC layer.

Souhou (both) + kakushinteki (innovative).

Wi-Fi信号を用いた非接触型バイタルサインセンシング技術の研究が進んでいる。

Research is progressing on non-contact vital sign sensing technology using Wi-Fi signals.

Hi-setshoku (non-contact) + senshingu (sensing).

Wi-Fiの周波数帯域の再編は、国家レベルの通信政策における最重要課題の一つだ。

The reorganization of Wi-Fi frequency bands is one of the most important issues in national-level communication policy.

Saihen (reorganization) + saijuuyou kadai (most important issue).

Colocaciones comunes

Wi-Fiをつなぐ (Connect to Wi-Fi)

Wi-Fiが切れる (Wi-Fi disconnects)

Wi-Fiが入る (Receive Wi-Fi signal)

Wi-Fiのパスワード (Wi-Fi password)

Wi-Fiスポット (Wi-Fi spot)

フリーWi-Fi (Free Wi-Fi)

ポケットWi-Fi (Pocket Wi-Fi)

Wi-Fi環境 (Wi-Fi environment)

Wi-Fiの設定 (Wi-Fi settings)

Wi-Fiの速度 (Wi-Fi speed)

Frases Comunes

Wi-Fiありますか？ (Do you have Wi-Fi?)

Wi-Fi使えますか？ (Can I use Wi-Fi?)

Wi-Fiが遅いです。 (The Wi-Fi is slow.)

Wi-Fiが繋がりません。 (The Wi-Fi won't connect.)

Wi-Fiのパスワードを教えて。 (Tell me the Wi-Fi password.)

Wi-Fi完備 (Fully equipped with Wi-Fi)

Wi-Fi無料 (Free Wi-Fi)

Wi-Fi専用 (Wi-Fi only)

Wi-Fiモデル (Wi-Fi model - e.g., for tablets)

Wi-Fiルーター (Wi-Fi router)

Se confunde a menudo con

Wi-Fi vs Bluetooth

Wi-Fi vs 4G/5G

Wi-Fi vs LAN

Modismos y expresiones

"Wi-Fiが飛んでいる (Wi-Fi is 'flying' - meaning Wi-Fi is available in the air here)"

"ギガが減る (Giga is decreasing - used when using mobile data instead of Wi-Fi)"

"ギガ死 (Giga death - running out of mobile data, making Wi-Fi a lifesaver)"

"電波を探す (Searching for radio waves/signal)"

"オフラインになる (Going offline)"

"ネットに潜る (Diving into the net - spending a lot of time online)"

"繋がりの悪い (Bad connection - can refer to people or Wi-Fi)"

"サクサク (Crispy/Smooth - used to describe fast internet speed)"

"重い (Heavy - used to describe a slow website or connection)"

"落ちる (To fall/drop - used when a connection or server goes down)"

Fácil de confundir

Wi-Fi vs

Patrones de oraciones

Regístrate gratis para ver todos los ejemplos

Cómo usarlo

tethering

Known as 'tezaringu' in Japanese.

muryo vs free

Both are used, but 'Free Wi-Fi' is common in signage.

Errores comunes

Consejos

Rent a Pocket Wi-Fi

For the best experience in Japan, rent a pocket Wi-Fi. It gives you a private, secure connection everywhere. You can pick it up at the airport. It's much easier than hunting for free hotspots. Most plans offer unlimited data for a flat daily fee.

Pronounce it 'Wa-i-fa-i'

Remember the four-beat rhythm: Wa-I-Fa-I. Japanese people might not understand the English 'Why-Fy' because of the different vowel sounds. Practicing the katakana pronunciation will make your life much easier. It's a small change that makes a big difference.

Restart the Router

If your home Wi-Fi is acting up, the first step is always 'saikidou' (restart). Unplug the router, wait 30 seconds, and plug it back in. In Japanese, you can say 'Ruutaa o saikidou shimasu'. This fixes most temporary connection issues.

Use a VPN

When using free public Wi-Fi in Japan, use a VPN (Virtual Private Network). This encrypts your data and protects your privacy. Many free networks in Japan are 'open', meaning they don't have a password. A VPN adds a necessary layer of security for your personal info.

Check for Stickers

Before you sit down in a cafe to work, look for Wi-Fi and 'Konsento' (outlet) stickers. Not all cafes allow long stays or provide internet. Chains like Starbucks and Tully's are usually safe bets. Some smaller cafes might charge for Wi-Fi or have time limits.

Be Mindful of Others

In quiet places like libraries or certain train areas, avoid making loud calls even if the Wi-Fi is great. Also, don't hog the bandwidth with massive downloads in a crowded cafe. It's considered polite to be mindful of the shared resource. Most people use headphones.

Use Free Apps

Download apps like 'Japan Wi-Fi auto-connect'. These apps automatically log you into thousands of free hotspots across Japan. It saves you the trouble of filling out registration forms every time. It's a great way to save on mobile data costs.

Check the SSID

If you can't connect, double-check the SSID (network name). Many places have multiple networks, and some might be for staff only. Make sure you are selecting the one meant for customers. The correct SSID is usually posted near the register or on the table.

Placement Matters

For the best Wi-Fi at home, place your router in a central, open location. Avoid putting it inside a cabinet or near large metal objects. In Japanese houses with thick walls, you might need a 'chuukeiki' (repeater) to get a signal in every room.

Prepare the Password

If you are hosting a meeting, have the Wi-Fi password ready for your guests. You can print it on a small card or write it on the whiteboard. It's a standard part of Japanese business hospitality. Saying 'Wi-Fi wa go-jiyuu ni o-tsukai kudasai' (Please use the Wi-Fi freely) is very welcoming.

Memorízalo

Origen de la palabra

English loanword 'Wi-Fi'.

Contexto cultural

Japanese users are generally cautious about using unencrypted public Wi-Fi.

Look for 'Konsento' (outlets) alongside Wi-Fi for long work sessions.

00000JAPAN is a disaster-relief Wi-Fi SSID.

Practica en la vida real

Contextos reales

Inicios de conversación

"ここのWi-Fi、使ったことありますか？ (Have you used the Wi-Fi here?)"

"Wi-Fiのパスワード、どこに書いてありますか？ (Where is the Wi-Fi password written?)"

"おすすめのポケットWi-Fiはありますか？ (Do you have any recommended pocket Wi-Fi?)"

"Wi-Fiが繋がらなくて困っています。 (I'm having trouble because the Wi-Fi won't connect.)"

"家ではどのWi-Fiを使っていますか？ (Which Wi-Fi do you use at home?)"

Temas para diario

今日行ったカフェのWi-Fiはどうでしたか？ (How was the Wi-Fi at the cafe you went to today?)

Wi-Fiがない生活を想像できますか？ (Can you imagine a life without Wi-Fi?)

旅行中にWi-Fiで困ったことはありますか？ (Have you ever had trouble with Wi-Fi while traveling?)

あなたの国のWi-Fi事情を日本語で説明してください。 (Explain the Wi-Fi situation in your country in Japanese.)

新しいルーターを買うなら、何を重視しますか？ (If you were to buy a new router, what would you prioritize?)

Preguntas frecuentes

10 preguntas

Many places offer free Wi-Fi, but it often requires registration. Large cities have better coverage than rural areas. Convenience stores and major stations are reliable spots. Some hotels might still charge, so always check first. 'Free' is usually written in English or as '無料' (muryo).

You can say 'Wi-Fi no pasuwado o oshiete kudasai.' This is polite and will be understood everywhere. If you are in a casual setting, 'Wi-Fi no pasuwado wa?' is enough. Often, the password is printed on the receipt or a small sign on the table.

Pocket Wi-Fi is a small, portable router that connects to cellular networks and provides a Wi-Fi signal for your devices. It is very popular for travelers in Japan. You can rent them at airports or order them online. They allow you to have internet access anywhere you go.

Hotel Wi-Fi can be slow if many guests are using it at once, especially in the evening. It might also be due to the building's structure or old equipment. You can try restarting your device or moving closer to the door. If it's really bad, you can ask the front desk: 'Wi-Fi ga totemo osoi desu'.

Yes, most modern Shinkansen trains offer free Wi-Fi. Look for the 'Shinkansen Free Wi-Fi' sticker. You will need to register with your email or a social media account. The connection can be unstable in tunnels, but it is generally good for messaging and browsing.

This is a slangy way to say 'I've run out of mobile data.' 'Giga' refers to gigabytes. When someone says this, they are usually looking for a Wi-Fi connection to avoid slow speeds or extra charges. It's very common among younger people in Japan.

Generally, public Wi-Fi in Japan is as safe as in other developed countries, but you should still be careful. Avoid accessing sensitive information like bank accounts on open networks. Using a VPN is recommended for better security. Most official 'Free Wi-Fi' services are managed by reputable companies.

Yes, major chains like 7-Eleven, Lawson, and FamilyMart used to have extensive free Wi-Fi. However, some have recently scaled back these services. It's best to look for the Wi-Fi sticker on the door or window. When available, it's usually fast and reliable.

This SSID only appears during major disasters like earthquakes or floods. It is a free, open network provided by all major Japanese carriers to help people communicate. You don't need a password or registration to use it. It's a vital part of Japan's disaster response infrastructure.

In daily life, there is no practical difference. 'Wi-Fi' is the common name everyone uses. 'Musen LAN' (Wireless LAN) is the technical term you will see in computer settings, manuals, and business documents. If you're talking to a friend, use 'Wi-Fi'.

Regístrate gratis para ver consejos y notas