Adapter for Scanner to 5-pin Car Harness, Headset, or Intercom lets you monitor a channel while simultaneously communicating on another. Perfect for monitoring race control while conversing with your race team. It features a 3.5mm Connector for Nitro Bee or scanner use, a 5-pin Male Connector for 2-way radio functionality, and a 5-pin Female Connector compatible with car harness, headset or intercom.