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The history of the GSM module dates back to the 1980s when the GSM network was first introduced. The first GSM module was designed to work with analogue phones, and it was not until the late 1990s that digital GSM modules were introduced. Today, the GSM module is an essential component used in various communication systems.
Cellular Technology: WCDMA (DB-DC-HSDPA, DC-HSUPA), TD-SCDMA, CDMA 1x, EV-DO, GSM/EDGE; Downlink LTE: LTE Category 15 (800 Mbit/s). 3x20 MHz carrier aggregation. Up to 256-QAM. Up to 4x4 MIMO on two carriers; Uplink LTE: LTE Category 13 (150 Mbit/s). 2x20 MHz carrier aggregation. Up to 64-QAM
Wavecom was founded in 1993 [3] by Michel Alard, Aram Hékimian and André Jolivet. [citation needed] In its first three years of existence, Wavecom operated as an engineering consultancy primarily focused on wireless communication. By 1996, the founders realized there was a market for a standard GSM module, which could be integrated into ...
Rank Operator Technology Subscribers (in millions) Ownership 1: Batelco: GSM-900 (GPRS, EDGE) 2100 MHz UMTS, DC-HSPA+ 1800 MHz LTE: 3.9 [8] (Dec 2022): Bahrain Telecommunications Company
The Nigeria Communication Commission building in Abuja. With the expiration of the exclusivity period of the main GSM network providers, Nigeria's telecom regulator, the Nigerian Communications Commission (NCC), introduced the Unified Licensing Regime. It was hoped that telecoms with unified licences would be able to provide fixed and mobile ...
Nigeria: 9mobile: 1800 3 Oct 2016: 10 MHz in use [1] [197] [198] [199] 5 MHz remain for GSM services. Airtel: 1800 3 Apr 2023: Feb 2018: 10 MHz in use [1] [200] [201] [202] 5 MHz remain for GSM services. Bitflux: 2300 40 Aug 2016: Aug 2016: Jun 2019: 30 MHz [203] [204] [205] CA [G 1] of 30 MHz (CA_40C). Wholesale network, used by VDT ...
GSM 900 (900 MHz) is suitable for light urban coverage. GSM 1800 (1.8 GHz) starts to be limited by structural walls. UMTS, at 2.1 GHz is quite similar in coverage to GSM 1800. Higher frequencies are a disadvantage when it comes to coverage, but it is a decided advantage when it comes to capacity.
Cellular network standards and generation timeline. This is a comparison of standards of wireless networking technologies for devices such as mobile phones.A new generation of cellular standards has appeared approximately every tenth year since 1G systems were introduced in 1979 and the early to mid-1980s.