Baofeng BF-M4 Handheld Outdoor 50km Mini FM High Power Walkie Talkie US Plug

General parameters 1. Frequency range: 400-470MHZ 2. Working voltage: 3.7V lithium battery Antenna impedance: 50Ω 3. Storage channels: 16 Volume: 115.5*56.8*34.5mm 4. Frequency stability: ±2.5ppm Working mode: same frequency simplex or different frequency simplex 5. Working temperature: -30℃~+60℃ Grounding method: negative 6. Battery: 5800 mA 7. USB direct charge 8. Weight: about 355 grams 9. Dimensions: 115.5x56.8x34.5 mm Launch part 1. RF power: <5W residual wave radiation: ≦-60dB 2. Emission current: ≦1000mA Maximum frequency deviation: ≦±5KHz 3. Modulation method: frequency modulation, pre-emphasis characteristics: 6dB per octave Receiving part 1. Receiving sensitivity: <0.16uv (12dB SINAD) Squelch sensitivity: <0.2uv 2. Intermodulation anti-interference: ≧60dB Audio distortion: <10% 3. Audio power: ≧380mW Receive current: ≦380mA Features 1. Side key function definition 2. Battery voltage prediction 3. Transmission timeout 4. Busy lock 5. Scan switch 6. Squelch level (0-9 level) 7. Voice switch/voice selection 8. Computer Programming 9. Voice-activated emission (VOX) 10. Ending cancellation 11. Power saving function 12. Sub-audio QT/DQT digital sub-audio