The following are frequencies that are permitted:

27 MHz: only frequencies 26.995, 27.045, 27.095 27.145, 27.195 and 27. 255.

75 MHz: All channels 61 thru 90

50 MHz: Channels 00, 02, 06 and 08

53 MHz: Frequencies 53,100 thru 53, 800 MHz

2.4 GHz : All DSS and Spectrum systems

Drivers using 50 MHz radios must have an FCC Amateur Radio License issued for that radio in their possession.