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2. Cellular frequencies in the United States - Wikipedia

   en.wikipedia.org/wiki/Cellular_frequencies_in...

   Professional wireless microphones used the 700 MHz band until 2010 when they were made illegal, but equipment still exists in use that may interfere with 3G and 4G technologies. [ 10 ] Due to immediate adjacency to channel 51 lower 700 MHz A block license holders were prohibited to use it within channel 51 station service areas.

3. List of mobile virtual network operators in the United States

   en.wikipedia.org/wiki/List_of_mobile_virtual...

   Get Mobile Depends on region LTE, 5G Apple/Android/Windows and Connected Car eSIM Supported. Can pay by day, weeks or month. Multi-region is available to allow customers to use the same service in multiple countries. KnowRoaming Telna GSM OneSimCard: AT&T & T-Mobile 2G/3G/4G/5G Telna Telna GSM TravelSim: AT&T: UMTS: TravelSim: T-Mobile: GSM ...

4. List of mobile network operators in the United States

   en.wikipedia.org/wiki/List_of_mobile_network...

   Big Sky Mobile: GSM: EDGE: Unknown: 2017: Sold spectrum licenses to AT&T and T-Mobile and exited the business. [41] Blaze Wireless: GSM, UMTS: EDGE, HSPA+, LTE: Unknown: December 2019: Parent company, Pinpoint Communications, discontinued cellular service and spectrum leases through Viaero Wireless were cancelled. Blue Wireless: CDMA2000: EV-DO ...

5. AT&T CEO calls for freeing up 5G spectrum, or else America ...

   www.aol.com/finance/t-ceo-calls-freeing-5g...

   Telecom companies have spent billions to build out the wireless infrastructure to support their 5G networks. (AT&T says it invested more than $145 billion between 2019 and 2023.)

6. Cellular frequencies - Wikipedia

   en.wikipedia.org/wiki/Cellular_frequencies

   The first commercial standard for mobile connection in the United States was AMPS, which was in the 800 MHz frequency band. In Nordic countries of Europe, the first widespread automatic mobile network was based on the NMT-450 standard, which was in the 450 MHz band. As mobile phones became more popular and affordable, mobile providers ...

7. Sprint 4G LTE Network Gets Even Bigger in Texas - AOL

   www.aol.com/2013/01/28/sprint-4g-lte-network...

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8. Public land mobile network - Wikipedia

   en.wikipedia.org/wiki/Public_land_mobile_network

   In telecommunication, a public land mobile network (PLMN) is a combination of wireless communication services offered by a specific operator in a specific country. [1] [2] A PLMN typically consists of several cellular technologies like GSM/2G, UMTS/3G, LTE/4G, NR/5G, offered by a single operator within a given country, often referred to as a cellular network.

9. Sprint 4G LTE Network Gets Even Bigger in Texas - AOL

   www.aol.com/news/2013-01-28-sprint-4g-lte...

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