Frequency coverage Tx/Rx8.33kHz spacing 118.000–136.992MHz25kHz spacing 118.000–136.975MHz Rx Wx channel 161.650–163.275MHz Features: Led OLED (Organic Light Emitting Diode) Automatic squelch function detects the signal level and automatically adjusts the squelch level Built-in voice activated intercom function allows pilot and co-pilot to talk via the headset Built-in DC-DC converter accepts a 12/24V DC power source Automatic weather channel scanning and receive Dualwatch and priority watch functions One-touch access to 121.5 MHz emergency frequency Side tone function for monitoring your voice with headset ANL (Automatic noise limiter) function reduces pulse type noise Remote control capability Dial lock and panel lock Time-out-timer Two types of menu mode; settings menu and configuration menu Supplied with: Mounting bracket kit MB-53 Dimensions: 6.3×1.34×10.67 in.Weight: 2.2 lb.Key Features VHF Frequency Range From 136 to 174 MHz 25 W Maximum RF Output Power for Strong Signal Built-in GPS With Automatic Location Reporting 512 Memory Channels for Multiple Communication Groups DTMF Signaling for Secure and Selective Calling Front Panel Programmable for Easy Operation and Control