DMR Digital Two Way Radio Handhd Walkie Talkie, EU Plug 1. Support DMR digital and analog communication modes to ensure a smooth transition from analog products to digital products to meet different communication needs 2. Support rich call modes of DMR protocol, including single call, group call and all calls; support remote barring function and other applications 3. This digital two-way radio uses advanced AMBE + 2TM voice processing technology to achieve higher 4. 5W / 1W power switch to meet the power requirements of different talk distances and save more energy 5. You can customize the side buttons without changing the user's operating has 6. Support the use of repeaters 7. Frequency range: UHF: 400-480MHz 8. Chann capacity: 32CH 9. Chann spacing: 25KHz / 12.5KHz 10. Working voltage: DC 7.4V 11. Antenna impedance: 50 ohms 12. Microphone impedance: 2.2K ohm 13. Lithium-ion battery: DC7.4V 1400mAh 14. Rated audio distortion: greater than or equal to 5% 15. Frequency stability: +/-2.5ppm 16. Audio distortion: less than 5% 17. Size: 116x54x35mm (not including antenna) 18. Weight: 316g