NNTN8459A NNTN8459 - Motorola 1 WIRE SURVEILLANCE KIT WITH TRANSLUCENT TUBE, BLACK Motorola EX600 Attach the red radio connector

Attach the red radio connector end of the cable

Linton handheld Radio :

TK-581 and more that require this part

PMLN4557A PMLN4557 - MAG ONE MAG ONE Over-the-Ear Receiver with in-line Microphone/PTT/Vox switch -- Mag One earpieces are small

The Ribless "PROFESSIONAL SERIES CABLE"  Does all the Pro Series portables

NNTN8459A NNTN8459 - Motorola 1 WIRE SURVEILLANCE KIT WITH TRANSLUCENT TUBE, BLACK Motorola EX600 Attach the red radio connectorNNTN8459A NNTN8459 Motorola 1 WIRE SURVEILLANCE KIT WITH TRANSLUCENT TUBE, BLACK The NTN8459A surveillance kit lets you privately receive messages for situations that require discreet communication. Features an In line push to talk and microphone combined on a single wire. Clear, comfortable translucent coiled cord and rubber earbud offer greater comfort for extended use.