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The Military Industry and Telecoms Group (Vietnamese: Tập đoàn Công nghiệp - Viễn thông Quân đội, lit. 'the Army Industry - Telecommunications Group'), [3] [4] trading as Viettel or Viettel Group (Vietnamese: Tập đoàn Viettel), is a Vietnamese state-owned multinational telecommunications, technology and manufacturing conglomerate headquartered in Hanoi, Vietnam.
Wireless LAN (WLAN) channels are frequently accessed using IEEE 802.11 protocols. The 802.11 standard provides several radio frequency bands for use in Wi-Fi communications, each divided into a multitude of channels numbered at 5 MHz spacing (except in the 45/60 GHz band, where they are 0.54/1.08/2.16 GHz apart) between the centre frequency of the channel.
Vietnam is putting considerable effort into modernization and expansion of its telecommunication system. Domestically, all provincial exchanges are digitalized and connected to Hanoi, Da Nang and Ho Chi Minh City by fiber optic cable or microwave radio relay networks. Main lines have been substantially increased, and the use of mobile ...
BKAV C85 [43] (Vietnam) in partnership with Viettel. This is the only KaiOS device to not feature Wi-Fi support; Viettel V6504, [44] V1207 [45] (Vietnam). The Viettel V1207 was the first wireless home phone runs KaiOS; itel it9200; All KaiOS devices have T9 keypads, except the Jiophone 2 and Ghia GQWERTY, which have QWERTY keypads.
Viettel Tanzania Public Limited Company, trading as Halotel, is a mobile communications company, providing voice, messaging, data and communication services in Tanzania. It is owned by Viettel Global JSC [ 2 ] which is the state-owned Investment Company from Vietnam investing in the Telecommunications market in several countries worldwide.
Telecommunications company. ITU-T. Landline. List of mobile network operators. List of mobile network operators of the Americas. List of mobile network operators in Asia and Oceania. List of mobile network operators in Europe. List of mobile network operators in the Middle East and Africa. List of mobile network operators in Canada.
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