Features of S800Interphone communication product 1. 16 channels 2. VOX function3. Voice guide4. PC programming5. Wire clone function6. High/Low power selectable7. Built in CTCSS and DCS8. Output power:UHHF:4W/VHF:5W9. Channel steps(5K/6.25K/10K/12.5K/25K)10. Wide/narrow bandwidth selectable(25KHz/12.5KHz)11. FR:136-174MHz/350-390MHz/400-470MHz S800 Specification Frequency range 136-174MHz/350-390MHz/400-470MHz Channel capacity 16CH Channel spacing 25KHz Channel steps 5, 6.25KHz Operating voltage 7.5V DC±20% Battery S-800NI-MH Battery(1300mAH about 12 hours according to 5-5-90) Operating temperature -20 degree to +60 degree Frequency stability ±2.5ppm -20 degree to +60 degree Antenna impedance 50Ω Dimension 54*33*115mm Weight 325g Transmitter Receiver RF power output 5W/1W Sensibility 12dB(SINAD)0.18μV Clutter response ≤60dB Selectivity >65dB Modulation mode FM Inter-modulation distortion >60dB Modulation noise ≤-40dB Clutter response >60dB Modulation distortion ≤5% Audio output 500mW distortion <10%