VITAI VT-328 Ham Portable Smart Intercom Features:1 .Frequency Range: 136-174 or 400-470MHz2.Output power:1W/5W3. Channel: 1284. Channel step:5/6.25/10/12.5/25KHz5. VOX function6. 50 Groups CTCSS/105 Groups DCS7. Time-out Timer8. Three Colors For Select9. Low battery alert10. Battery Save11. Scrambler (option)12.Emergency call13. Wide/Narrow bandwidth selectable14. P.C programming15. Talk Range:5 - 10km16. Dimension: 10 cm*5. 5cm*3.2cm17. Weight:260g(include battery) GENERAL18.0-9 grades voice sensitivity selectable19.Led display20.Voice prompt21.Auto keypad lock22.Backlight setting23.Multi and procrity channel scan24.Channel name setting25.Beep setting26.Groups calls/selective call VITAI VT-328 Ham Portable Smart Intercom Technology Specification:GENERAL Note: VITAI VT-328 Ham Portable Smart Intercom