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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.
GSM module or GPRS modules are similar to modems, but there's one difference: the modem is an external piece of equipment, whereas the GSM module or GPRS module can be integrated within an electrical or electronic equipment. It is an embedded piece of hardware. A GSM mobile, on the other hand, is a complete embedded system in itself.
Country or Territory Operator VoLTE B1 2100 MHz B3 1800 MHz B5 850 MHz B7 2600 MHz B8 900 MHz B20 800 MHz B28 700 MHz B31 450 MHz B40 2300 MHz B41 2500 MHz CA [G 1] schemes References & Notes
GSM-1900 and GSM-850 are used in most of North, South and Central America (ITU-Region 2). In North America, GSM operates on the primary mobile communication bands 850 MHz and 1900 MHz. In Canada , GSM-1900 is the primary band used in urban areas with 850 as a backup, and GSM-850 being the primary rural band.
The GSM standards are defined by the 3GPP collaboration and implemented in hardware and software by equipment manufacturers and mobile phone operators. The common standard makes it possible to use the same phones with different companies' services, or even roam into different countries. GSM is the world's predominant mobile phone standard.
In 2006, Celcom launched the first 3G service in Malaysia, covering most major towns where there is a Telekom Malaysia telephone exchange and either HSDPA or EDGE services within 15-mile (24 km) radius (GSM UMTS maximum allowed range) with GPRS as basic data coverage. In 2013, the 4th generation standard of FDD-LTE was deployed gradually ...
In 1987, JTM was incorporated as Syarikat Telekom Malaysia Berhad (STMB) or Telekom Malaysia (TM) following the National Corporatization Policy, which was launched in the 1980s. In 1988, Celcom Sdn Bhd was founded under its name STM Cellular Communications Sdn Bhd. It was the first to provide GSM based mobile services.
Telin Malaysia (Kartu As) (uses U Mobile) Telin Malaysia. Telin Malaysia is a joint venture (JV) company between Compudyne Telecommunication Systems Sdn. Bhd and PT Telin, a company fully owned by PT. Telekomunikasi Indonesia (Telkom). [105] 8: mCalls (uses DiGi) Partnership between Pavo Communications and DiGi. [106]