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The 800 MHz frequency band is a portion of the electromagnetic spectrum, or frequency band, that encompasses 790–862 MHz.. Being a part of the spectrum known as "UHF Bands IV and V" (i.e. 470 MHz to 862 MHz) it was allocated by the ITU to Broadcasting as the primary user in Region 1 and was used for analogue television broadcasting before changing to digital terrestrial television in many ...
Radio-controlled toys may use portions of unlicensed spectrum in the 27 MHz or 49 MHz bands, but more costly aircraft, boat, or land vehicle models use dedicated radio control frequencies near 72 MHz to avoid interference by unlicensed uses. The 21st century has seen a move to 2.4 GHz spread spectrum RC control systems.
The ASTRO 25 digital radio system is claimed to provide superior audio quality and advanced features which complies with the Federal Communications Commission's 2013 narrowbanding requirements. [6] ASTRO 25 currently operates in the 700 MHz, 800 MHz, 900 MHz, UHF and VHF bands for voice and data operation.
“We have been discussing adopting 800-MHz radios since at least 2008, so that makes 16 years at a minimum.” ... Hillsdale County voters to decide on 800-MHz radio needs Aug. 6. Show comments ...
KAJI-LP; KBPK; KCOD; KDBV; KDDF; KDHS-FM; KDN - San Francisco; KDND; KESQ; KFI-FM; KFRJ; KFXM-LP - Lancaster; KGB - San Francisco; KGIC-LP; KHBG-LP; KJJ; KJQ ...
The Michigan State Police already operate on the 800 MHz band and the Hillsdale County Sheriff’s Office received funding from the state to make the transition already.
Initially 60, 30 or 15 ft dish or billboard type antennas have been used in combination with General Electric or RCA AN/MRC80 TRC24; AN/FRC-75 or 39 radio sets. Later being replaced by newer Siemens & Halske EM 120/400 and 12/800 types. The type and beaming angle of the antennas depended of the local site position and its distance to the next ...
The Department of Veterans Affairs will host a public Memorial Day commemoration ceremony at Los Angeles National Cemetery, 950 S. Sepulveda Blvd., from 10 to 11 a.m. L.A. Fleet Week in San Pedro