Motorola NNTN4187 CommPort Ear Microphone System with Body PTT

Using the latest in Digital Signal Processing (DSP) technology, the CommPort System makes it possible to hear and speak under the most adverse conditions. CommPort uses a miniature microphone and receiver that connect to a Motorola two-way radio and fasten safety to the ear. This version has a push-to-talk button mounted on the body, just below the sternum. The CommPort System is lightweight and easy to use, yet it is built to withstand the harshest environments.