1. Use the digital mobile radio (DMR) layer 2 standard protocol. It is compatible with other brands and models of popular MOTO TRBO series Tier I and II that use standard encryption and other DMR-enabled radios. It is also compatible with any existing analog two-way radios operating on supported UHF and VHF frequencies and can be easily ported to digital technology. Almost all operations can be done through the wireless keyboard 2. It also has many functions, such as send/receive interrupt, CTCSS&DCS, VOX, surveillance, emergency alert, scan, key lock, TOT, password lock, power saving, remote kill/stun/activate, analog and digital combination, LED Indicator lights, voice prompts, etc. 3. Frequency: 136-174&400-480MHz&76-107.95MHz (receive only) 4. Channel: 3000 5. Working volta