Motorola three-wire surveillance earpiece features one wire for receiving communication, one wire for the microphone and one wire for the PTT. The state-of-the-art Motorola IMPRES technology allows communication between the radio and the audio accessory. The result is optimal audio performance, enhanced audio gain capability and increased customization, assuring the highest-quality communication.
- Operation: Receive/Transmit
- PTT: Separate wire, Vox: Yes
- Programmable Button: Yes
- Intrinsic Safety: UL/TIA 4950
- Compatible: Motorola DP4000/4000e/DP4000Ex Series