Translation guide
In Japanese, 'broadband' is commonly expressed using the loanword ブロードバンド or the native term 広帯域. The loanword is the most common in everyday contexts, while 広帯域 is more technical.
Referring to a high-speed, always-on internet connection, typically for home or business use.
The most common and natural way to say 'broadband' in Japanese. Used in everyday conversation, advertising, and technical contexts.
この地域ではブロードバンドが利用できますか？
Is broadband available in this area?
ブロードバンド回線を契約した。
I signed up for a broadband line.
Specifically refers to fiber-optic broadband, the most common type of high-speed internet in Japan. Often used when discussing internet service providers or installation.
光回線の工事が来週あります。
The fiber-optic line installation is next week.
Literally 'high-speed internet'. A more descriptive term that is easily understood, though less common than ブロードバンド.
高速インターネットに切り替えたい。
I want to switch to high-speed internet.
In telecommunications or signal processing, referring to a transmission method using a wide range of frequencies.
The technical term for 'broadband' in engineering contexts. Used in specifications, academic papers, and technical documentation.
このアンテナは広帯域に対応しています。
This antenna supports broadband.
Also used in technical contexts, but 広帯域 is more precise for engineering discussions.
ブロードバンド信号を解析する。
Analyze the broadband signal.