The BDC Comm Guide assists the user in locating frequencies used by San Bernardino County Fire VHF and 800mhz radios. Channel plans are included for 25 group VHF radios and 48 zone 800mhz radios. Users looking for specific channels can search by frequency number or channel name. The application can plot the device's current location on a map and assist in cross referencing the nearest radio site or appropriate radio zone. Training resources are included to instruct personnel in the operation of 800mhz and VHF radios.