National Communications Military Frequencies

Federal Government 400 MHz Trunked Systems

Group 1           Group 2        Group 3       Group 4
406.3500          406.7500       406.5500      406.9500
407.1500          407.5500       407.3500      407.7500
407.9500          408.3500       408.1500      408.5500
408.7500          409.1500       408.9500      409.3500
409.5500          409.9500       409.7500      410.1500

These frequencies are used nationwide for military trunked radio systems.