noun
wireless Internet access; wireless Internet connection
Technical term for connecting to the Internet via wireless technology such as Wi-Fi or mobile data.
このホテルでは無線インターネット接続が無料で利用できます。
Wireless Internet access is available for free at this hotel.
無線インターネット接続の設定方法を教えてください。
Please tell me how to set up a wireless Internet connection.
Wi-Fi is a specific wireless technology; 無線インターネット接続 is a broader term for any wireless Internet connection.
Wired Internet connection, as opposed to wireless.
Compound of 無線 (wireless) + インターネット (Internet) + 接続 (connection).