Tactical Radio Connector Cable & Push To Talk Adapter for Headset: US/Civilian Wiring, Select ComTac III Models and Select Helicopter Headsets - Harris: XL-150/P, XG-100/P, XL-185/P/Pi, XL-200/P/Pi, XL-400P N: NXC 29RR: For Harris(L3Harris): XL 150 P, XG 100, XG 100P, XL 185, XL 185P, XL 185Pi, XL 200, XL 200P, XL 200Pi, XL 400 Helicopter Helmet Comms Compatible! Push To Talk on the Radio Adapter. Compatible w : US Civilian Wiring, Select ComTac III Models and Select Helicopter Headsets. Utilizes the standardized NEXUS TP 120 Connector. Features a removable adapter, cost saver when switching radios agencies. Push To Talk(PTT) Adapter Multi Cross