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2. 3G - Wikipedia

   en.wikipedia.org/wiki/3G

   3G is the third generation of wireless mobile telecommunications technology. It is the upgrade to 2G, 2.5G, GPRS and 2.75G Enhanced Data Rates for GSM Evolution networks, offering faster data transfer, and better voice quality. [ 1] This network was superseded by 4G, and later by 5G. This network is based on a set of standards used for mobile ...

3. Cellular frequencies in the United States - Wikipedia

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

   There are 51 MTAs, 493 BTAs and 175 EAs in the United States. The Advanced Wireless Services (AWS) bands, auctioned in the summer of 2006, were for 1,710–1,755 MHz, and 2,110–2,155 MHz. The spectrum was divided into blocks: A blocks were for Cellular Market Areas, based on existing cellular (1G) licenses, and were 2 × 10 MHz.

4. List of CDMA2000 networks - Wikipedia

   en.wikipedia.org/wiki/List_of_CDMA2000_networks

   KT also operates an UMTS "3G" network. LG U+ South Korea: CDMA2000 1xRTT, EV-DO Rev. B 1800 Oct 2000: Jun 2021 [120] [157] [158] [153] [159] SK Telecom South Korea: CDMA2000 1xRTT, EV-DO Rel. 0 800 Oct 2000: Jul 2020 [160] [155] [161] CDMA2000 1xEV-DO was also referred to as "2G" in South Korea, besides cdmaOne (IS-95). [156] SKT also operates ...

5. EXPLAINER: Will burglar alarms still work after 3G shutdown?

   www.aol.com/finance/explainer-burglar-alarms...

   Check your phone to make sure it will still work. Here’s an AT&T list of devices that the carrier says will work normally after Feb. 22. Call the companies that make or service your burglar and ...

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

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

   Yes, 3G speeds on Unlimited data plan (T-Mobile) after 50 GB [569] [572] Yes, GSM (T-Mobile) sims have low band 5G, while Super LTE (Verizon) have nationwide 5G with coming support for mmWave 5G. [573] Yes, for additional fee [569] [571] Free with Unlimited Premium, available for regional and country-specific purchase for other plans, eSim ...

7. List of UMTS networks - Wikipedia

   en.wikipedia.org/wiki/List_of_UMTS_networks

   The following is a list of mobile telecommunications networks using third-generation Universal Mobile Telecommunications System (UMTS) technology. This list does not aim to cover all networks, but instead focuses on networks deployed on frequencies other than 2100 MHz which is commonly deployed around the globe and on Multiband deployments.

8. 2G - Wikipedia

   en.wikipedia.org/wiki/2G

   2G. 2G is a short notation for second-generation cellular network, a group of technology standards employed for cellular networks. 2G was commercially launched on the GSM standard in Finland by Radiolinja (now part of Elisa Oyj) in 1991. [ 1] After 2G was launched, the previous mobile wireless network systems were retroactively dubbed 1G.

9. Cellular frequencies - Wikipedia

   en.wikipedia.org/wiki/Cellular_frequencies

   Cellular frequencies. Cellular frequencies are the sets of frequency ranges within the ultra high frequency band that have been assigned for cellular-compatible mobile devices, such as mobile phones, to connect to cellular networks. [ 1] Most mobile networks worldwide use portions of the radio frequency spectrum, allocated to the mobile service ...