Acoustic Tube Listen Only Ear Piece 2.5MM Jack Aviation Adapters Each antenna frequency is designed

Each antenna frequency is designed to work +/- 3 MHz from the selected frequency

Li-Ion and Li-Poly battery types

Charge times vary by battery chemistry

USBDB9 USB Adapter - USB to DB9 with Drivers for Windows XP

Leather shoulder strap

Acoustic Tube Listen Only Ear Piece 2.5MM Jack Aviation Adapters Each antenna frequency is designedWHAT IS IT? Surveillance style acoustic tube earpiece with 2. 5mm audio jack and 30 inch straight cord. WORK WITH: Bendix King DPH models including command series radios Bendix King GPH models including command series radios Bendix King EPH models WHY YOU NEED IT: PLUGS INTO: 2. 5mm audio jack of your radio or audio device WHY YOU NEED IT: Allows you to listen discreetly when others in the vicinity should not. With optional ear tips, special