Chunks of Spectrum: A Sample of U.S. Radio Airwave Allocations and Uses
P 49.6 - 50.0 MHzCordless phone handsets, baby monitors 54.0 - 72.0 MHzTV channels 2, 3 and 4 88.0 - 108.0 MHzFM Broadcasting, wireless microphones 137.0 - 138.0 MHzNon-voice, non-geostationary mobile satellite service (little LEO) 157.7 - 158.1 MHzPaging, rural phones 225.0 - 328.6 MHzDefense, presidential systems 806.0 - 821.0 MHzSpecialized mobile radios (SMR) 930.0 - 931.0 MHzNarrowband personal
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54.0 - 72.0 MHzTV channels 2, 3 and 4
88.0 - 108.0 MHzFM Broadcasting, wireless microphones
137.0 - 138.0 MHzNon-voice, non-geostationary mobile satellite service (little LEO)
157.7 - 158.1 MHzPaging, rural phones
225.0 - 328.6 MHzDefense, presidential systems
806.0 - 821.0 MHzSpecialized mobile radios (SMR)
930.0 - 931.0 MHzNarrowband personal communications services (PCS) for paging and two-way data transmission
1215.0 - 1240.0 MHzAir route surveillance, missile-tracking, Global Positioning System satellites
1610.0 - 1626.5 MHzMobile satellite services above 1 GHz (Big LEO)
1850.0 - 1990.0 MHzBroadband personal communications services
2450.0 - 2483.5 MHzFixed microwave, including heaters and ovens
3.7 - 4.2 GHzSatellite downlink for cable TV
5.6 - 5.65 GHzAeronautical Terminal Doppler Weather (wind shear)
12.2 - 12.7 GHzDirect broadcast satellite downlinks
20.2 - 21.2 GHzDefense satellite downlinks including Military Strategic and Tactical Relay Satellite (MILSTAR)
Source: New Signals Press, Falls Church, Va.
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