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first Number; Atis Frequency: 127.55: Clearance Delivery Frequency: 126.6: Ground Frequency: 121.7: Tower Frequency: 119.3: Weather asos: 818-904-9213
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Cell phones generally use one of two frequency ranges. One is routinely known as 1900. It encompasses all frequencies between 1850 and 1990. The other is a PCS, or Personal Communications Services, frequency. The PCS uses frequencies from 824-894 MHz .
Most cell phones use radio waves with frequencies between 450 and 2700 MHz and peak powers between 0.1 and 2 watts. These radio waves can interfere with some medical devices and aircraft navigation systems.
Cell phone frequencies are the frequency ranges within the Ultra High Frequency (UHF) band that are designated for cell phone use. Bluetooth devices, wireless networks, and television signals also use this frequency band.
In the most basic form, a cell phone is essentially a two-way radio, consisting of a radio transmitter and a radio receiver. When you chat with your friend on your cell phone , your phone converts your voice into an electrical signal , which is then transmitted via radio waves to the nearest cell tower.