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2. Cellular frequencies in the United States - Wikipedia

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

   As cellular mobile telephone technology has evolved over time, periodically bands of frequencies are reassigned from other radio services. Companies wishing to provide cellular services in a geographic region compete for the right to license radio spectrum in spectrum auctions. Different cellular companies in the same region may use different ...

3. First-gen iPhone sells at auction for $190K - AOL

   www.aol.com/news/first-gen-iphone-sells-auction...

   A first-generation iPhone has sold at auction for $190,373, almost 380 times its original price of $499 when the groundbreaking device went for sale in 2007. LCG Auctions, which hosted Sunday's ...

4. Spectrum auction - Wikipedia

   en.wikipedia.org/wiki/Spectrum_auction

   Shown in the image to the right, the UHF band will be re-allocated to cell phones using 5-MHz-wide uplink and downlink blocks, with guard bands of varying width (3 MHz between UHF 37 and Uplink Block A and 11 MHz between Uplink Block G and Downlink Block A) to protect from adjacent-channel interference. Upon conclusion of the auction ...

5. 2008 United States wireless spectrum auction - Wikipedia

   en.wikipedia.org/wiki/2008_United_States...

   A similar reallocation was employed in 1989 to expand analog cellphone service, having previously eliminated TV channels 70-83 at the uppermost UHF frequencies.This created an unusual situation where old TV tuning equipment was able to listen to cellular phone calls, although such activity was made illegal and the FCC prohibited the sale of future devices with that capability.

6. U.S. Cellular - Wikipedia

   en.wikipedia.org/wiki/U.S._Cellular

   Spectrum acquired in 2022 auction. [24] 3.4 GHz C-Band: n77 Spectrum acquired in 2021 auction. [25] 3.7 GHz C-band Spectrum will be available for use starting December 2023. [26] 24 GHz K-Band: n258 Spectrum acquired in 2019 auction. [27] 28 GHz Ka-Band: n261 Active/Building Out Currently used for FWA services. [28] 39 GHz Ka-Band n260

7. The best flip phones for seniors in 2025 - AOL

   www.aol.com/lifestyle/best-flip-phones-184204157...

   Easyfone Prime-A1 Pro 4G Easy-to-Use Flip Cell Phone, 2.4'' HD Display, Big Buttons, Clear Sound, Large Fonts, SOS Button, SIM Card Included, Dumbphone with 1500mAh Battery and a Charging Dock (Black)