Autotel

Autotel (also called PALM, or Public Automated Land Mobile) is a radiotelephone service which was the "missing link" between earlier MTS/IMTS and later cellular telephone services. It used digital signaling for supervisory messages (call setup, ringing, channel assignment, etc.), except the voice channel was analog (as was the original NMT and AMPS cellular systems). This system was not cellular, as it used existent high-power (35 watt) VHF channels. This system was developed for rural British Columbia, Canada, where building a network of low-power cellular terminals to cover a forest would have been prohibitively expensive.

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Cellular network standards
0G radio telephones (1946)
  • MTS
  • IMTS
  • Altai
  • OLT
  • MTA - MTB - MTC - MTD
  • Mobile TeleSeratout
  • AMTS
  • Autotel (PALM)
  • ARP
  • B-Netz
  • AMR
1G (1979)
AMPS family
Other
2G (1991)
GSM/3GPP family
3GPP2 family
AMPS family
Other
2G transitional
(2.5G, 2.75G, 2.9G)
GSM/3GPP family
3GPP2 family
Other
3G (1998)
IMT-2000 (2001)
3GPP family
3GPP2 family
3G transitional
(3.5G, 3.75G, 3.9G)
3GPP family
3GPP2 family
IEEE family
ETSI family
4G (2009)
IMT Advanced (2013)
3GPP family
IEEE family
5G (2018)
IMT-2020 (2021)
3GPP family
Other
  • DECT-5G
Related articles
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