Poly SHS1890-25 PTT Amplifier (25 ft Coil Headset Cord) (Poly 60825-325 or 60825-25 or HP 8K7U0AA#AC3) **REPLACED** by JPL Scout 300 or JPL Scout 300A Desk Phone Its volume and automatic gain

Its volume and automatic gain controls let you adjust incoming calls to a listening level that's comfortable for you

enhancing wearability

comfort or audio quality

For use on-the-go

HL10 handset lifter fits on your telephone

Poly SHS1890-25 PTT Amplifier (25 ft Coil Headset Cord) (Poly 60825-325 or 60825-25 or HP 8K7U0AA#AC3) **REPLACED** by JPL Scout 300 or JPL Scout 300A Desk Phone Its volume and automatic gainBuilt for Emergency Service and Police Environments, this adapter, with lockable non lockable push to talk switch, lets you use any Plantronics H Series headset in 6 wire controller and dispatch operations. Features push to talk switch. Comes with 25 ft Built for Emergency Service and Police Environments, this adapter, with lockable non lockable push to talk switch, lets you use any Plantronics H Series headset in 6 wire controller and dispatch