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A Central Equipment Identity Register (CEIR) is a database of mobile equipment identifiers (IMEI – for networks of GSM standard, MEID – for networks of CDMA standard). Such an identifier is assigned to each SIM slot of the mobile device.
The Type Allocation Code (TAC) is the initial eight-digit portion of the 15-digit IMEI and 16-digit IMEISV codes used to uniquely identify wireless devices.. The Type Allocation Code identifies a particular model (and often revision) of wireless telephone for use on a GSM, UMTS, LTE, 5G NR, iDEN, Iridium or other IMEI-employing wireless network.
The last number of the IMEI is a check digit, calculated using the Luhn algorithm, as defined in the IMEI Allocation and Approval Guidelines: The Check Digit shall be calculated according to Luhn formula (ISO/IEC 7812). (See GSM 02.16 / 3GPP 22.016). The Check Digit is a function of all other digits in the IMEI.
An IMSI is usually presented as a 15-digit number but can be shorter. For example, MTN South Africa's old IMSIs that are still in use in the market are 14 digits long. The first 3 digits represent the mobile country code (MCC), which is followed by the mobile network code (MNC), either 2-digit (European standard) or 3-digit (North American ...
VTV Center of Can Tho Regional channel for viewers in the Southwestern of Vietnam. The studio is located in Can Tho city. Later, this channel merged with the Southeastern (HCMC) region center (VTV9) in 2016. The newly created VTV Cần Thơ in October 2022 (which is, replaced VTV6) is considered as the successor of VTV Cần Thơ 1. VTV Can Tho 2
A virtual base transceiver station (VBTS) [5] is a device for identifying the temporary mobile subscriber identity (TMSI), international mobile subscriber identity (IMSI) of a nearby GSM mobile phone and intercepting its calls, some are even advanced enough to detect the international mobile equipment identity (IMEI).
Cam Ranh International Airport (IATA: CXR, ICAO: VVCR) is located on Cam Ranh Bay in Cam Ranh, a provincial city in Khánh Hòa province in Vietnam.It serves the city of Nha Trang, the capital of Khánh Hòa province, which is 30 km (16 NM) from the airport.
Bảo Đại renamed the palace to Gia Long Palace, and its street was renamed Gia Long Street (from La Grandìere). This was also the last residence of President of the Republic of Vietnam Ngô Đình Diệm , beginning 27 February 1962 after Norodom Palace was bombed and partially destroyed by mutinous Air Force pilots.