Per Baofeng UV-17Pro GPS Walkie Talkie 108-136MHz Air Band VHF FM Radio Sei Bande
FM: 65-108MHz (RX). 9-VOX (Voice Operated Transmission). 6-Wireless Frequency and its Sub-tone Copy (two radio shall be keep 30cm at least far away for a accurate copy). 12-1000/1450/1750/2100Hz Tone.