VT-3022 199 Channels Stable Powerful Chinese Wireless Interphones Feature:1. Frequency Range:VHF:136-174MHz/245-246MHz/350-390MHzUHF:400-470MHz2. 199 memory channels 3. CTCSS/DCS code 4. VOX grade setting 5. Voice prompt 6. Groups calls 7. Transmitter time-out timer 8. FM radio receiver function 9. Cable clone 10. Beep function 11. Voltage display 12. Power on display 13. Channel spacing: 5/10/12.5/20/25/35/50KHz 14. VOX time-lapse function 15. Multi and prority scan function 16. Emergency alarm 17. Channels name setting and display 18. Auto keypad lock 19. PC software programmable 20. High/Low power selective 21. Frequency difference setting 22. Battery saving function 23. Power on message setting Standard Package Contains:1 x VT-3022 Radio1 x Li-ion Battery1 x Antenna1 x Charger1 x Belt Clip1 x User’s ManualWarranty: One year for Radio / Six Month for Accessory.Delivery Time and Method: VT-3022 199 Channels Stable Powerful Chinese Wireless Interphones