The azden 310lh is a powerful yet affordable uhf wireless combo microphone system for camera mount applications the system consists of azdens 35bt body pack transmitter ex 503l lavalier microphone 35ht handheld microphone transmitter and 310udr camera mount diversity receiver the inclusion of both the body pack and handheld transmitters allows users the flexibility of choosing the right microphone for the right job with a feature set that includes 188 user selectable uhf frequencies pivot