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General Aviation to Helicopter Pilot Headset Adapter – Rugged Radios
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Poly 216086-03 Momentary Push-To-Talk Headset Adapter QD to QD
SYN1505A Headset Adapter Miniature USB to 2.5mm Port Motorola®
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Coiled 2.5mm Headset Adapter for Cisco IP Phone
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Triple Headset Adapter - MyPilotStore.com
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