Key Features

Voltage Alert
Time-out Timer
Torch Light.

General Specifications 
Frequency Range: UHF 400-470MHz 
Channel Capacity: 16 
Channel Spacing: 25KHz 
Operated Voltage: 3.7 V 
Battery: H-1500MAh Li-ion 
Battery Life (5-5-90 duty cycle): About 8 hours 
Frequency Stability: ± 2.5ppm 

Antenna Impedance: 50Ω 
Dimensions (L× W× H) (with battery， without antenna): 110× 50× 32 mm

Communication Range: about 5km 


Transmitter 
RF Power Output: 3W 
Modulation: F3E 
Spurious Emission: ≤ 65dB 
FM Noise: ≤ -45dB(W) ≤ -40dB (N) 
Audio Distortion: ≤ 5% 
Transmitting Current: ≤ 1.3A
Receiver 
Sensitivity: (12dB SINAD) ≤ 0.20 uV 
Selectivity: 55dB/50dB 
Intermodulation: ≥ 65dB 
Adjacent Channel Selectivity: ≥ 60dB 
Spurious Response: ≥ 60dB 
FM Noise: 45dB/40dB 
Audio Power Output: 1000mW 
Audio Distortion: ≤ 5% 
Standby Current: ≈ 15mA (with battery save on)

Each set of Package Contain
1xBF-777s Walike Talkie
1xCharger
1xBattery
1xbelt clip
1xUser Manual