Wirelessly control all radio functions of the GX6000 AND GX6500 with the RAM4W wireless microphone. Using the SCU-30 Wireless Access Point plugged into the back of the radio, you have the capability of syncing up to 4 RAM4W units. With an operating range of up to 65 feet, the RAM4W allows you to control all Radio functions including DSC Calling, Position Polling, Group Calling and more, or use the RAM4W to intercom between the main station or between other wireless RAM4W units.