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  2. du (company) - Wikipedia

    en.wikipedia.org/wiki/Du_(company)

    du first launched LTE in 2012 on the FDD-LTE Band 3 (1800 MHz) frequency, in August 2014 it was then announced that du had installed and successfully tested VoLTE over its network. In July 2014, du launched Cat. 6 LTE-Advanced with carrier aggregation and 4x4 MIMO combining 20 MHz of Band 3 (1800 MHz) and 15 MHz of Band 20 (800 MHz).

  3. SIM card - Wikipedia

    en.wikipedia.org/wiki/SIM_card

    A typical SIM card (mini-SIM with micro-SIM cutout) A SIM card or SIM (Subscriber Identity Module) is an integrated circuit (IC) intended to securely store an international mobile subscriber identity (IMSI) number and its related key, which are used to identify and authenticate subscribers on mobile telephone devices (such as mobile phones and laptops).

  4. GSM - Wikipedia

    en.wikipedia.org/wiki/GSM

    Pre-paid GSM SIM cards were launched in 1996 and worldwide GSM subscribers passed 100 million in 1998. [9] In 2000 the first commercial General Packet Radio Service (GPRS) services were launched and the first GPRS-compatible handsets became available for sale. In 2001, the first UMTS (W-CDMA) network was launched, a 3G technology that is not ...

  5. Telecommunications in the United Arab Emirates - Wikipedia

    en.wikipedia.org/wiki/Telecommunications_in_the...

    A 2005 study, before du was established, also showed Etisalat sometimes block websites relating to the BaháΚΌí Faith. [20] A common method of circumventing internet censorship is by using VPN services. In March 2015, the Dubai Police declared the usage of VPN (virtual private network) illegal, saying that "tampering with the internet is a ...

  6. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  7. GoIP - Wikipedia

    en.wikipedia.org/wiki/GoIP

    The main advantages of SIM-bank appliances include 1) the replacement of SIM cards in gateways channels that are territorially remote from the very SIM bank and other gateways in order to transfer the SIM cards between the base stations of GSM operator and 2) autonomous work that supports from 32 to 128 channels for SIM-cards independent ...

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