Market Description
NMT/ETACS/NTACS
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NMT is an acromym for Nordic Mobile Telephone. NMT was one of the first successful analog telephones systems. In addition to a system operating at 900 MHz, there is also a 450 MHz version.
TACS is an Acronym for Total Access Communications System, originally a European analog FM cellular system. ETACS or Extended TACS is an extended frequency band for the original TACS; NTACS or Narrow TACS uses a narrower channel spacing for increased number of channels in the same bandwidth. TACS still finds use in China, and there is some NTACS in Japan.
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