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  2. List of LTE networks in Asia - Wikipedia

    en.wikipedia.org/wiki/List_of_LTE_networks_in_Asia

    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

  3. List of mobile network operators in Asia and Oceania

    en.wikipedia.org/wiki/List_of_mobile_network...

    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]

  4. List of mobile network operators - Wikipedia

    en.wikipedia.org/wiki/List_of_mobile_network...

    List of countries by number of Internet users; List of countries by number of telephone lines in use; List of countries by smartphone penetration; List of multiple-system operators; List of telecommunications companies. List of telecommunications companies in the Americas; List of telecommunications companies in Asia and Oceania

  5. List of mobile telephone prefixes by country - Wikipedia

    en.wikipedia.org/wiki/List_of_mobile_telephone...

    Various GSM and CDMA, including MTS CDMA, BSNL GSM & CDMA, Uninor GSM, Loop Mobile GSM, S-Tel GSM etc. 92x: Tata Indicom CDMA 93x: Reliance CDMA 94x: BSNL GSM 95x: Various GSM, including Airtel, BSNL, Idea, Aircel, Reliance GSM and Vodafone. 96x: Various GSM and CDMA, including Airtel, Idea, Reliance CDMA & GSM, Vodafone and Aircel. 97x

  6. GSM services - Wikipedia

    en.wikipedia.org/wiki/GSM_services

    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.

  7. Public land mobile network - Wikipedia

    en.wikipedia.org/wiki/Public_land_mobile_network

    In telecommunication, a public land mobile network (PLMN) is a combination of wireless communication services offered by a specific operator in a specific country. [1] [2] A PLMN typically consists of several cellular technologies like GSM/2G, UMTS/3G, LTE/4G, NR/5G, offered by a single operator within a given country, often referred to as a cellular network.

  8. GSM modem - Wikipedia

    en.wikipedia.org/wiki/GSM_modem

    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.

  9. List of UMTS networks - Wikipedia

    en.wikipedia.org/wiki/List_of_UMTS_networks

    For technical details on UMTS and a list of its designated operating frequencies, bands, and their common names, see UMTS frequency bands. Networks on the global UMTS-bands 1 and 8 are suitable for global roaming in ITU Regions 1, 2 (some countries) and 3. Networks on UMTS-bands 2 and 4 allow roaming in ITU Region 2 (Americas) only.