Расширенный трансивер, Walkie Talkie, двусторонней радиосвязи

Features of S850 Advanced transceiver, walkie talkie, two-way radio 1. 199 memory channel2. Wire clone function3. VOX function4. Reverse frequency function5. ANI(caller ID)6. Li-Ion Battery7. Various scan modes, priority scan mode8. Input frequency by keypad9. Busy channel lockout10. Various display modes11. 50 groups CTCSS, 105 groups DCS12. PC programming/manual programming13. Output power:UHF:4W/VHF:5W14. Channel steps(5K/6.25K/10K/12.5K/25K)15. Wide/narrow bandwidth selectable(25KHz/12.5KHz)16. FR:136-174MHz/245MHz/400-470MHz S850 Specifications Frequency range 136-174MHz/245MHz/400-470MHz Channel capacity 199CH Channel spacing 25KHz/12.5KHz Frequency steps 5, 6.25KHz Operating voltage 7.5V DC ±20% Battery S-20 Li-Ion battery (1300mAH about 12 hours according to 5-5-90) Operating temperature –20 degree To ±60 degree Frequency stability ±2.5ppm Antenna impedance 50Ω Dimension 52×32×100mm (exclude antenna) Weight 215g(include battery and antenna) Transmitter Receiver Frequency error ≤7×10-6 Reference sensitivity ≤0.25uV(SINAD: 12dB) RF power output ≤5W Common-channel restraint ≥-8dB Modulation limit ≤5KHz Adjacent-channel selectivity ≥55dB Adjacent channel power ≥65dB Spurious response interference ≥55dB Spurious RF sponderance ≤7.5μW Inter-modulation interference ≥55dB Modulation characteristic Pre-emphasis of each frequency-interval is 6dB (300Hz-3000Hz) Audio response De-emphasis of each frequency-interval is 6dB(300Hz-3000Hz) Used bandwidth ≤16 KHz Jam-up ≥85dB Audio distortion ≤5% Audio distortion ≤5% Audio output ≥250mW