VITAI VT-6022 Ham Wireless Intercom System withVOX Handsfree Function * Multi-functionRF Intercom, VHF or UHF, Built-in FM Radio, CTCSS/DCS Code, Compact Design for Commercial Use.Feature:1. Frequency Range:VHF: 136-174 / 245-246 / 350-390 MHz VT-6022 Ham Wireless IntercomSystem