Difference between revisions of "310 260 23251"

310 260 23251 (view source)

Revision as of 19:14, 13 September 2021

455 bytes added , 19:14, 13 September 2021

→‎Defunct Networks

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 |}<br />
-==== Defunct Networks ====
+====Defunct Networks====
 {| class="wikitable"
-!Frequency Band
 !Generation
 !Protocol
-!Notes
+!Frequency Band
+!Dates of Operation
+!Primary Operators
 |-
-| rowspan="2" |'''850 MHz''' Cellular
 |1G
-|AMPS
+|[https://en.wikipedia.org/wiki/Advanced_Mobile_Phone_System AMPS]
-|Original analog cellular service. Operated from 1983-2009.
+|'''850 MHz''' Cellular
+|Launched: 1983
+Decommissioned: 2008-2009
+|Verizon, AT&T
 |-
-| rowspan="2" |2G
+| rowspan="6" |2G
-| rowspan="2" |TDMA/D-AMPS
+| rowspan="2" |[https://en.wikipedia.org/wiki/Digital_AMPS TDMA/D-AMPS]
-|Original 2G network. Operated from 1993-2009.
+|'''850 MHz''' Cellular
+| rowspan="2" |Launched: 1993
+Decommissioned: 2008-2009
+| rowspan="2" |AT&T
 |-
 |'''1.9 GHz''' PCS
-|Original 2G network. Operated from 1993-2009.
 |-
+| rowspan="2" |[https://en.wikipedia.org/wiki/IDEN iDEN]
 |'''800 MHz''' SMR
-| rowspan="2" |2G
+| rowspan="2" |Launched: 1996
-| rowspan="2" |iDEN
+Decommissioned: 2013
-| rowspan="2" |Used for Push-to-Talk networks by companies such as Nextel (later Sprint).
+| rowspan="2" |Nextel/Sprint
-Operated from 1996-2013.
 |-
 |'''900 MHz''' SMR
 |-
+| rowspan="2" |[https://en.wikipedia.org/wiki/GSM GSM]/[https://en.wikipedia.org/wiki/General_Packet_Radio_Service GPRS]/[https://en.wikipedia.org/wiki/Enhanced_Data_rates_for_GSM_Evolution EDGE]
+|'''850 MHz''' Cellular
+| rowspan="2" |Launched: 1995
+Decommissioned: 2017-2023
+| rowspan="2" |AT&T, T-Mobile
+|-
+|'''1.9 GHz''' PCS
+|-
+|4G
+|[https://en.wikipedia.org/wiki/WiMAX WiMAX]
 |'''2.5 GHz''' EBS/BRS
-|4G
+|Launched: 2008
-|WiMAX
-|Original 4G network, operated by Clearwire/Sprint.
+Decommissioned: 2016
-Operated from 2008-2016.
+|Clearwire/Sprint
 |}<br />