Aviation Flight Helmet Adapter for DPH, GPH Series Radios EF johnson The overall length of the

The overall length of the antenna is 15 inches for mobility

making it extremely durable for manufacturing

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Aviation Flight Helmet Adapter for DPH, GPH Series Radios EF johnson The overall length of theWhat is the AVDPHFH9R Adapter? The AVDPHFH9R Flight Helmet Adapter allows DPH and GPH Radio users to connect to the nexus plug of your helicopter flight helmet. Easy and cost effective communications with the use of the adapter to stay in contact with the aviation equipment on wildland fire incidents. The aviation adapter uses the PTT button on the nexus plug to key up your handheld radio and communicate through the microphone on your flight helmet.