Motorola NNTN8378A CSA Adapter with PTT

Motorola NNTN8378A CSA adapter with Push-To-Talk (PTT) for use with NNTN8380 and NNTN8379 headsets. CSA157 TRBO Nexus, 4 pole. This Peltor push-to-talk adapter gives you easy access to a large push-to-talk button-ideal when wearing gloves or when the radio is under a coat or safety gear. CSA-certified to tolerate harsh conditions.