PTT-YVT : PTT microphone for Yaesu & Vertex radios with threaded sealing plug. THS710 the blue tips with one

the blue tips with one squared edge are POSITIVE (+ Red wire)

Philips IntelliVue M8100

Lithonia XSXPEL

and snaps in place inside the outer CM-12 shell

PTT-YVT : PTT microphone for Yaesu & Vertex radios with threaded sealing plug. THS710 the blue tips with onePTT YV : Push to Talk Mic for YAESU & Vertex radios. For Amateur radio, Business band (UHF), Police, Fire Dept., Search & Rescue, Aviation radios with threaded mic jacks. c. Includes Spring Clip & extension Jack input. Has single male 1 8" plug with 4 sections. Plug is threaded and has sealing ring. It pushes into the jack on the radio, and then you turn it to screw in securely into place. Check your radio Mic Jack to confirm that it is the Threaded