Who?
Who laid the theoretical foundation of wireless communication.
Nikola Tesla
When was the theoretical basis of wireless communication laid?
in 1890
JTAGS
Japan Total Access Communication System
Who first transmitted wireless signals over a distance of two miles.
Guglielmo Marconi
When 1G was introduced for voice communication using "regular phones"?
1980-х
... - General Packet Radio Service
GPRS
Who founded cellular communication, as well as invented and implemented a mobile phone?
Dr. Martin Cooper
The year of 4G launch?
HSUPA
High-Speed Uplink Packet Access
What celebrities founded the company Apple?
Steve Jobs, Ronald Wayne and Steve Wozniak
According to the GSM Association, by 2025, how many subscribers will have a subscription to the 5G service?
1.7 billion subscribers
Time Division-Synchronous Code Division Multiple Access
TD-SCDMA