... 1) ANI encode & decode 2) Scrambler 3) VHF 5W/ UHF 4W output power 4) 128 channels ... FCC approval SPECIFICATION: PX-777PLUS GeneralFrequency Range single band VHF:136-174MHz or UHF:400-470MHz,400-480MHz,465-520MHzChannel ... Radiation≤7.5uWOccupied Bandwidth≤16KHz FEATURES1) ANI code2) Scrambler3) VHF 5W/ UHF 4W output power4) 128 groups of memory ... 5k, 10k, 6.25k, 12.5k, 25k23)Program radio channel name