RETEVIS RT3S DMR Digital Two Way Radio Walkie Talkie 1. Use the digital mobile radio (DMR) layer 2 standard protocol. It is compatible with other brands and mods of popular MOTO TRBO s Tier I and II that use standard encryption and other DMR-enabled radios. It is also compatible with any existing analog two-way radios operating on supported UHF and VHF frequencies and can be easily ported to digital technology 2. Kill/stun and activate remoty 3. With GPS, emergency alert, VOX, TOT, (TDMA) digital, encryption and other functions 4. Frequency: 136-174&400-480MHz 5. Chann: 3000 6. Frequency stability: +/-1ppm 7. Working temperature: -30~+60 degrees Csius 8. Working voltage: 7.4V DC 9. Battery capacity: 2000mAh 10. Antenna impedance: 50 ohms 11. Audio impedance: 1W.16 ohm 12. Chann spacing: 12.5KHz 13. Dimensions: 131 x 61 x 36mm 14. Weight: 258g (including battery) Transmitter: 1. Power: high is less than or equal to 5W, low is less than or equal to 1W 2. Frequency stability: +/-1.0ppm 3. Adjacent chann power: less than or equal to -60dB 4. time slot power: TDMA: less than or equal to 57dBm 5. Humming and noise: -40d.12.5KHz 6. FM modulation mode: 11K0F3.12.5KHz 7. Modulation deviation: 2.5KH.12.5KHz 8. Pive time slot power: -57dBm 9. Audio response: +1 to -3dB 10. Modulation error rate ( error rate): less than or equal to 5% Receiver: 1. Adjacent chann sectivity: less than or equal to -60d.12.5KHz 2. Intermodulation: less than or equal to 60dB 3. Spurious response: greater than or equal to 70dB 4. Audio response: +1 to -3dB 5. Rated audio distortion: less than 5% 6. Rated audio power: 1W