... approval SPECIFICATION: PX-777PLUS GeneralFrequency Range single band VHF:136-174MHz or UHF:400-470MHz,400-480MHz,465 ... band)Phase-locked Step5KHz,6.25KHzOperating Voltage7.4 V DCBattery LifeMore than 12 Hours (1200mAh),Frequency Stability ... 7.5uWOccupied Bandwidth≤16KHz FEATURES1) ANI code2) Scrambler3) VHF 5W/ UHF 4W output power4) 128 groups of ... 10k, 6.25k, 12.5k, 25k23)Program radio channel name