Joseph Uhf Single Hand Held In Receiver Battery Only

System Specification 6 Different Frequencies Available Receivers stackable (Used at the same time) Frequency Range: UHF 500-900 MHz , Frequency Stability: 50 PPM (-10C-+35C) Audio Frequency Response: 60HZ-13KHZ Operating Distance: 50-100M (Outdoor) Operating Temperature: -10+35C Modulation Mode: FMTransmitter Output Power: 10 mW (±1) Operating Current: