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USSD is commonly used by prepaid GSM cellular phones to query the available balance. The vendor's "check balance" application hides the details of the USSD protocol from the user. On some pay as you go networks, such as Tesco Mobile, once a user performs an action that costs money, the user sees a USSD message with their new balance.
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.
Mobile virtual network operators (MVNOs) in the United States lease wireless telephone and data service from the four major cellular carriers in the country—AT&T Mobility, Boost Mobile, T-Mobile US, and Verizon—and offer various levels of free and/or paid talk, text and data services to their customers.
400 MHz [1] [173] [174] [175]FWA † 10+10+15+15 MHz Entel: 100 MHz † (Dec 2021)400 MHz [1] [173] [176]Also FWA † 25+25+50 MHz Movistar: 50 MHz (Dec 2021)[1] [176 ...
On July 11, 2019, T-Mobile and Ericsson completed their first n71 (600 MHz) data session in their lab in Bellevue, Washington on a commercial 5G modem, the Snapdragon X55, which is the first commercial 5G modem to feature the n71 band. However, the modem was pre-market and not in any commercially available device.
The pooled plan service saw usage from 300 to 3,000 lines in one month, according to the company's CEO. [5] In 2021, US Mobile announced an $11.5 million Series A investment by Volition Capital. [12] In 2022, it was reported that the company launched 5G C-Band access on its network, adding onto the existing 5G UW mmWave access from Verizon. [13 ...
Apple released the iPhone in the United States with a software "lock" so it could only be used on the AT&T Mobility network. [12] After purchase, buyers activated their iPhone's AT&T service contract using the Apple iTunes software, [13] during which buyers had the ability to choose their billing preference; however, if no option was specified during activation AT&T defaulted to using detailed ...
MSISDN (/ ˈ ɛ m ɛ s aɪ ɛ s d iː ɛ n / MISS-den) is a number uniquely identifying a subscription in a Global System for Mobile communications or a Universal Mobile Telecommunications System mobile network.