FEMA can show up in nearly any federal frequency band, but
their primary frequencies of choice these days is in the 400 MHz federal band.
All communications are likely P25 encrypted. Here is what I have identified so
far. List will be updated as new information is received.
406.2625 N421 FEMA 01/02
406.4500
406.4500
406.4625
406.8625 National Disaster Medical System (NDMS)
407.0625 N421 FEMA 03/04
407.1250 NDMS
407.0625 N421 FEMA 03/04
407.1250 NDMS
407.2625
407.4500
N421 FEMA 11/12
407.4625
407.6625
N421 FEMA 05/06
408.0625
408.2625
408.0625
408.2625
408.8625
N421 FEMA Urban Search and Rescue (USAR) 01
409.0000
N447 FEMA NDMS
409.0500
N447 FEMA NDMS
409.0625
N421 FEMA 07/08
409.0750 NDMS
409.2625 USAR
409.0750 NDMS
409.2625 USAR
409.3375
409.4625
N421 FEMA 11
409.6625 USAR
409.6625 USAR
409.8625
N421 FEMA 05
410.2625 USAR
410.3375
N447 FEMA NDMS
410.4625
N421 FEMA 09/10
410.6625 FEMA Urban Search and Rescue (USAR)
410.8625
N421 FEMA 14
412.4375
412.8250
412.8375
412.8500
412.8625
412.8750
412.8875
412.9000
412.9125
412.8250
412.8375
412.8500
412.8625
412.8750
412.8875
412.9000
412.9125
415.2625
415.4625
415.8625
416.2625
416.4500
N421 FEMA INPUT
416.4625
416.6625
417.2875
418.0625
N421 FEMA 08 INPUT
418.3375
418.4625
N421 FEMA 11 INPUT
418.8625
N421 FEMA 05 INPUT
419.2625
419.4625
N421 FEMA 02 INPUT
419.6625
N421
419.8625
N421 FEMA 14 INPUT
FEMA has also been observed handing out 900 MHz Spread
spectrum DTR710 model radios for logistics.