RETEVIS RT43 5W UHF 400-480MHz 32CHS DMR Digital Two Way Radio Handheld Walkie Talkie, EU Plug 1. Support DMR digital and analog communication modes to ensure a smooth transition from original 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 quality 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 users operating habits 6. Support the use of repeaters 7. Frequency range: UHF: 400-480MHz 8. Channel capacity: 32CH 9. Channel 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