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In many larger populated areas UHF frequencies are allocated for Public Safety in the UHF TV spectral band from 470−512MHz. These are primarily used by police and fire LMR (Land Mobile Radio). It is illegal to operate in this spectrum band with licensed or unlicensed microphones.
Channels 14,15, & 16 are allocated by the FCC in New York City for Public Safety LMR.
Aside for from the fact that it is illegal to operate non licensed devices in this spectrum. There is also a high probability that LMR radios operated in this spectrum band will interfere with wireless microphones. LMR radios in this spectrum transmit at 5 watts and key in intermittently when the talk button is pressed on the radio.
Auto Scan on the face of wireless receivers will not avoid this Spectrum band. Custom user frequency groups can be used to provide frequency groups that avoid this spectrum.
Below is a table of Public Safety designated spectrum band organized by metro area.
CFR data is current as ofJuly 21, 2020
Approximately the first 3 Mhz of each public safety channel are allocated to fixed transmitters. The second 3 Mhz are assigned to mobile radios. Although it looks like there might be spectrum available it is illegal to operate in this spectral band. During a large event it is highly probable that public safety radios will be in the venue and nearby. Interference with these frequencies is not only illegal it can risk the health and safety of the public.
Ch.14 470-476
New York 14
Public Safety
Ch.15 476-482
New York 15
Public Safety
Ch.16 482-488
New York 16
Public Safety
T-Band Public Saftey as defined in the CFR Part 90 - §90.303
Metro Area
Boston, MA
Chicago, IL - NW, IN
Cleveland, OH
Dallas-Fort Worth, TX
Detroit, MI
Houston, TX
Los Angeles, CA
Miami, FL
New York, NY - NE, NJ
Philadelphia, PA
Pittsburgh,PA
San Francisco-Oakland, CA
Washington D.C.
Golf of Mexico - TX, LA
Hawaii
Avoid TV Ch.
14, 16
14, 15
14, 15
16
15, 16
17
14, 16, 20
14
14, 15, 16
19, 20
14, 18
16, 17
17, 18
15, 16, 17
17
Notes:
See (1)
See (2)
See §90.315
See §74.802
(1) Channels 14 and 15 are not available in Cleveland, OH, until further order from the Commission.
(2) Channels 15 and 16 are not available in Detroit, MI, until further order from the Commission.
T-Band Public Safety Frequencies as defined in the CFR Part 90 §90.311
CH
Metro Area
Base & Mobile
Mobile
Boston, MA
Chicago, IL - NW, IN
Cleveland, OH
Miami, FL
New York, NY - NE, NJ
Pittsburgh,PA
Los Angeles, CA
Chicago, IL - NW, IN
Cleveland, OH
Detroit, MI
New York, NY - NE, NJ
Boston, MA
Dallas-Fort Worth, TX
Detroit, MI
San Francisco-Oakland, CA
Los Angeles, CA
Houston, TX
San Francisco, CA/Oakland
Washington, DC/MD/VA
Pittsburgh,PA
Washington, DC/MD/VA
Philadelphia, PA
Los Angeles, CA
Philadelphia, PA
470.30625 - 472.99375
470.05625 - 472.99375
476.30625 - 478.99375
482.30625 - 484.99375
482.00625 - 484.99375
488.30625 - 490.99375
494.30625 - 496.99375
500.30625 - 502.99375
506.13125 - 508.99375
506.30625 - 508.99375
473.30625 - 475.99375
473.05625 - 475.99375
479.30625 - 481.99375
485.30625 - 487.99375
485.00625 - 487.99375
491.30625 - 493.99375
497.30625 - 499.99375
503.30625 - 505.99375
509.1312- 511.99375
509.30625 - 511.99375
14
15
16
17
18
19
20