What system are they using? Border Patrol does not own any non-VHF systems. Is it possible that they are using the Dauphin County system? Here in South Florida Border Patrol has a statewide VHF system. However, agents assigned to the Marathon Border Patrol Station have 800 MHz handheld radios issued to them. These radios are programmed to work on Monroe County's 800MHz P25 system. They use this system in addition to their VHF system, not in lieu of.