Long Range Walkie Talkie 4 Set 50 Mile Two Way Radio Charge Headset Waterproof
Selectivity : 55dB/50dB. Antenna Impedance: 50Ω. Audio Distortion: ≤5%. Dual band or Single band: Single band. Channel Capacity: 16 Channels. Radio Weight (with battery/antenna): 5.5 oz. Channel Spacing: 25KHz.