Plantronics/Clarity/Walker Push-to-Talk Amplified Headset Black PTS-500-OP3-BK
OP3 - 9 Foot coil cord, hardwired with a dual prong plug CRBN - Carbon Transmitter - 8 Volts DC.
Push-to-Signal (PTS) Initiates radio signal transmission.
The PTS is for radios, FAA, dispatch consoles or where 6-conductor cord is required.
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