Analogue Cellular Technologies

AMPS	Advanced Mobile Phone System. Developed by Bell Labs in the 1970s and first used commercially in the United States in 1983. It operates in the 800 MHz band and is currently the world's largest cellular standard.
C-450	Installed in South Africa during the 1980's. Uses 450Mhz band. Much like C-Netz. Now known as Motorphone and run by Vodacom SA.
C-Netz	Older cellular technology found mainly in Germany and Austria. Uses 450 MHz.
Comvik	Launched in Sweden in August 1981 by the Comvik network.
N-AMPS	Narrowband Advanced Mobile Phone System. Developed by Motorola as an interim technology between analogue and digital. It has some three times greater capacity than AMPS and operates in the 800 MHz range.
NMT450	Nordic Mobile Telephones/450. Developed specially by Ericsson and Nokia to service the rugged terrain that characterises the Nordic countries. Range 25km. Operates at 450 MHz. Uses FDD FDMA.
NMT900	Nordic Mobile Telephones/900. The 900 MHz upgrade to NMT 450 developed by the Nordic countries to accommodate higher capacities and handheld portables. Range 25km. Uses FDD FDMA technology.
NMT-F	French version of NMT900
NTT	Nippon Telegraph and Telephone. The old Japanese analogue standard. A high-capacity version is called HICAP.
RC2000	Radiocom 2000. French system launched November 1985
TACS	Total Access Communications System. Developed by Motorola. and is similar to AMPS. It was first used in the United Kingdom in 1985, although in Japan it is called JTAC. It operates in the 900 MHz frequency range.