Compatible with most 35mm transmitters & receivers - Most commonly used with Dynamic type transmitters & receivers - Keeps transmitter/receiver in place and helps minimize vibration on impact.Connects transmitter to handset wires via 2 screw terminals on one side and two contacts on opposite side.
The product is excellent. However paying for 2 day shipping does no good when it takes you guy a week to get it shipped. This was the second time that has occurred.