History
n other important dates:
1921 (or 1928): Police car dispatch radio, Detroit
1935: first telephone call around the world
WW II: rapid development of radio technology
1974: FCC (Federal Communications Commission)
allocates 40 MHz for cellular telephony
1982: European GSM (Groupe Speciale Mobile)
established
1983 (or 1984): initial deployment of AMPS cellular
system