The activation of the 2G network (GSM) in the UAE dates back to 1994, and it is still effective to date, despite the succession of network generations up to 5G, which the UAE has been in the lead AT&T announced that it phased out its 3G network beginning in February 2022. Verizon announced that it will finish shutting down its 3G network by December 31, 2022. T-Mobile announced that it finished shutting down Sprint's 3G CDMA network as of March 31, 2022 and Sprint's 4G LTE network as of June 30, 2022. ITU lays down law: WiMAX 2, LTE-Advanced are 4G, everyone else is a buster. ITU capitulates, admits that the term '4G' could apply to LTE, WiMAX, and 'evolved 3G technologies'. Sprint's XOHM WiMAX GSM（英: global system for mobile communications ）はFDD-TDMA方式で実現されている第2世代移動通信システム (2G) 規格である。 概要 [ 編集 ] GSMは世界のほとんどの国・地域で使用されているが、 日本 、 韓国 、 ツバル では使用されていない。 Asia Cellular Satellite System (ACeS): Asia Cellular Satellite System(ACeS) is a combined cellular telephone and satellite wireless system from Ericsson that provides digital communication service to mobile phone and computer users in the Asia Pacific Region. Adding satellite communication to the terrestrial Global System for Mobile ( GSM ) Extensive coverage of 100 to 200 square meters (-75 dBm, transparent interior environment, depending on the distance from the surrounding base stations), High power 30W (single channel 3-5W) effectively shields 3 networks 2G 3G 4G 5G cellphone signal and WIFI signal. $379.99 $678.99. Powerful signal blocker with external fan interferes with GSM Typical 2G standards include GSM and IS-95 with extensions via GPRS, EDGE and 1xRTT, providing Internet access to users of originally voice centric 2G networks. Both EDGE and 1xRTT are 3G standards, as defined by the ITU, but are usually marketed as 2.9G due to their comparatively low speeds and high delays when compared to true 3G technologies. Supported by all major mobile equipment, chip set and module manufacturers, EC-GSM-IoT networks will co-exist with 2G, 3G, and 4G mobile networks. It will also benefit from all the security and privacy mobile network features, such as support for user identity confidentiality, entity authentication, confidentiality, data integrity, and mobile What happened to 3G? It wasn't that long ago when switching between carriers meant having to worry about whether your phone was GSM or CDMA. Those days are gone. GSM and CDMA were associated with 3G networks. Even with 4G LTE, 3G was still used for most calls and SMS texts. All three of the major carriers have sunsetted 3G. IS95 offers 2G cellular services using the narrowband CDMA technology for its radio access just like GSM offers 2G services using FDMA and TDMA for the radio access; CDMA2000 offers 3G services and is a successor of IS95 just like UMTS is a successor of GSM and offers 3G services using Wideband CDMA. There have been two key paths for the m9ZBYP.