Sub-brand
サブブランド sabu burando
A cheaper brand run by a carrier, usually with its own shops and support — for example UQ mobile or Y!mobile.
Dictionary
Related guides
3G mobile network3G（第3世代移動通信）surī-jī
An older mobile generation used for voice and low-speed data. Japanese carriers have retired or scheduled the retirement of their 3G services.
4G / LTE4G・LTE（第4世代移動通信）fō-jī / eru-tī-ī
The mature mobile generation that carries most everyday smartphone data and, with VoLTE, voice calls across broad coverage areas.
5G mobile network5G（第5世代移動通信）faibu-jī
The mobile generation designed for higher capacity, lower latency and many connected devices, deployed with several frequency bands and network architectures.
5G SA / Standalone5G SA（スタンドアローン）faibu-jī esu-ē
A 5G architecture using a 5G core network rather than relying on a 4G core and 4G control connection as non-standalone 5G does.
ADSLADSLē-dī-esu-eru
An older broadband technology that sends data over a copper telephone line. Major Japanese consumer ADSL services have ended or are being retired.