Feature: 1. PTT IDVoice broadcast PTT ID). All calls, group calls and selective calls. Monitor, RX Inhibit, RXTX Inhibit and Emergency Alarm. 2. Scan/Scan add. Channel name edit available. Channel name edit available. APO(Auto Power Off). TOT(Timeout timer). 3. Font Set(Big/Small). For VOX(Level adjustable). 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). 4. TX Stop. Talk Around. Beat frequency. Reverse frequency function. 1750Hz burst tone. Four key programmable. Lease Function(can program lease time of the radio at a exact time. 5. Input frequency by using Keypad. Wireless changing frequency. Timepiece . PC software disable frequency input. Passwords for menu functions Set. PTT Times per Minutes Set. All/Function reset. Specification: Item Type: Mobile Transceiver Material: ABS Color: As Pictures Shown Product Size: 120x90x40mm/4.7x3.5x1.6in Weight: Approx. 701g/24.7ozTX Frequency: 136-174MHZ/400-480MHZ RX Frequency: 400-520MHZ/136-174MHZ Channel Capacity: 199 Output Power: 4W/10W/25W Operation Mode: Simplex Modulation Limitation: 5KHz Spurious Radiation: 60dB TX Current: 1A/1.8A/3.5A Frequency Stability: 2.5PPM Rx Sensitivity: 0.18V Modulation Type: F3E Audio Power: 400mW Standby Current: 78mAPower Saving mode is 30mA. Package List: 1 x VV-898 Machine 1 x Microphone 1 x Mounting Bracket1 x Installation Kit 1 x Power Cable 1 x Manual