1、Dual band: TX:136‑174MHz/400‑480MHz RX:136‑174MHz/400‑520MHz/200‑260MHz/87.5‑108MHz. Dual Reception/Dual Display. APRO: Voice Companding and Scrambler. Multi silent mode (QT/QTADT/QTXDT) 214 groups DCS/58 groups CTCSS. 2、DTMF encoding and DTMF decoding. PTT ID(Voice broadcast PTT ID). All calls, group calls and selective calls. RX Inhibit/ RXTX Inhibit/Revive(Stun/Kill/Revive). Monitor, SMQ,MOLO. Scan/Scan add. Channel name edit available. 3、Dual channel, each channel can store 99. High/Low power(25W/10W/4W). APO(Auto Power Off). TOT(Time‑out timer). Font Set(Big/Small). For VOX(Level adjustable). 4、Busy channel lockout. Keyboard lock (Auto/Manual). Multi scan mode (TO/CO). Channel steps (2.5K/5K/6.25K/10K/12.5K/25K). Wide/Narrow band selection (25KHz/12.5KHz). TX Stop. Emergency Alarm. 5、RPT Offset(Single/RPT+/RPT‑). Reverse frequency function/ Talk Around/1750Hz burst tone. Lease Function(can program lease time of the radio at a exact time). Input frequency by using Keypad. Four key programmable. Wireless changing frequency. Item Type: Walkie-Talkie Radio Material: ABS Color: As Pictures Shown Product Size(LxWxH): Approx. 120x90x40mm/4.7x3.5x1.6in Weight: Approx. 703g/24.8oz Frequency Band: VHF / UHF Dual Band Transmission Frequency: 136-174MHz / 400-480MHz Channel Capacity: 5/6.25/10/12.5/15/25KHz Working Voltage: 199 Output Power: L / M / H: 4W / 10W / 25W Operation Mode: Half Duplex 1 x VV-898S Radio 1 x Microphone 1 x Mounting Bracket 1 x Installation Kit 1 x Power Cable 1 x Manual