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This list contains the mobile country codes and mobile network codes for networks with country codes between 300 and 399, inclusively – a region that covers North America and the Caribbean. Guam and the Northern Mariana Islands are included in this region as parts of the United States.
UMTS frequency bands. The UMTS frequency bands are radio frequencies used by third generation (3G) wireless Universal Mobile Telecommunications System networks. They were allocated by delegates to the World Administrative Radio Conference (WARC-92) held in Málaga-Torremolinos, Spain between 3 February 1992 and 3 March 1992. [1]
For example, starting in May 2024 Telstra starting forcing a pre-recorded message with all outbound calls advising affected customers of the need to upgrade in advance of the 3G shutdown in August. However even customers with modified devices with working VoLTE calling on Telstra were hearing the message every time they made a 4G VoLTE call. [ 27 ]
An international mobile subscriber identity-catcher, or IMSI-catcher, is a telephone eavesdropping device used for intercepting mobile phone traffic and tracking location data of mobile phone users. [ 1] Essentially a "fake" mobile tower acting between the target mobile phone and the service provider's real towers, it is considered a man-in-the ...
High-Speed Uplink Packet Access ( HSUPA) is a 3G mobile telephony protocol in the HSPA family. It is specified and standardized in 3GPP Release 6 to improve the uplink data rate to 5.76 Mbit/s, extend capacity, and reduce latency. Together with additional improvements, this allows for new features such as Voice over Internet Protocol (VoIP ...
A GSM Cell ID (CID) is a generally unique number used to identify each base transceiver station (BTS) or sector of a BTS within a location area code (LAC) if not within a GSM network . In some cases the first or last digit of CID represents cells' Sector ID : values 1, 2, 3 are used to identify sectors of trisector or bisector antennas.
Overview. The mobile country code consists of three decimal digits and the mobile network code consists of two or three decimal digits (for example: MNC of 001 is not the same as MNC of 01). The first digit of the mobile country code identifies the geographic region as follows (the digits 1 and 8 are not used): An MCC is used in combination ...
In GSM cellular networks, an absolute radio-frequency channel number ( ARFCN) is a code that specifies a pair of physical radio carriers used for transmission and reception in a land mobile radio system, one for the uplink signal and one for the downlink signal. ARFCNs for GSM are defined in Specification 45.005 Section 2.