The JPL BL-20+P is a wired bottom lead/connection cable designed to connect professional headsets to specialized dispatch and communication consoles.
 
Key features include:
Connection Type: Features a PJ-7 (2-prong) plug for the console side and a Plantronics-compatible Quick Disconnect (QD) for the headset side.
Application: Commonly utilized by emergency dispatch, public safety, and air traffic control operators.
Interoperability: Allows any headset with a PLX-style QD to seamlessly attach and detach from critical communication systems without dropping active calls.