15 июн 1998 г. - Wireless Data Networks
Описание:
Introduced in September 1998. It commonly uses the 2.4 gigahertz (12 cm) UHF and 5.8 gigahertz (5 cm) SHF ISM radio bands, these bands are subdivided into multiple channels.
Добавлено на ленту времени:
Дата: