1. Use the digital mobile radio (DMR) layer 2 standard protocol. It is compatible with other brands and models of popular MOTO TRBO series 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 remotely 3. With GPS, emergency alert, VOX, TOT, (TDMA) digital, encryption and other functions 4. Frequency: 136-174&400-480MHz 5. Channel: 3000 6. Frequency stability: +/-1ppm 7. Working temperature: -30~+60 degrees Celsius 8. Working voltage: 7.4V DC 9. Battery capacity: 2000mAh 10. Antenna impedance: 50 ohms 11. Audio impedance: 1W @16 ohm 12. Channel 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 channel power: less than or equal to -60dB 4. Free time slot power: TDMA: less than or equal to 57dBm 5. Humming and noise: -40dB@12.5KHz 6. FM modulation mode: 11K0F3E@12.5KHz 7. Modulation deviation: 2.5KHz@12.5KHz 8. Passive time slot power: -57dBm 9. Audio response: +1 to -3dB 10. Modulation error rate (bit error rate): less than or equal to 5% Receiver: 1. Adjacent channel selectivity: less than or equal to -60dB@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: 1WSpecification: General Model RT3S Frequency Range VHF 136MHz-174MHz, UHF 400MHz-480MHz Channel Spacing 12.5KHz Antenna Impedance 50 ohms Voltage 7.4V Audio Response +1 to -3dB Size 131 x 61 x 36mm Weight 258g Receiver Parameters Intermodulation 60dB Adjacent Channel Selectivity 60dB Package Weight One Package Weight 0.70kgs / 1.54lb One Package Size 20cm * 17cm * 9cm / 7.87inch * 6.69inch * 3.54inch Qty per Carton 10 Carton Weight 9.75kgs / 21.49lb Carton Size 20cm * 34cm * 45cm / 7.87inch * 13.39inch * 17.72inch Loading Container 20GP: 871 cartons * 10 pcs = 8710 pcs40HQ: 2023 cartons * 10 pcs = 20230 pcs