Pryme SPM-100-H3 Speaker Microphone, Hytera BD502 PD502 TC508

The Pryme SPM-100 Series Observer speaker microphone is a compact, lightweight remote palm mic designed for use in light-duty applications. Each microphone features a high-quality electret condenser microphone element, which produces excellent transmited audio clarity. The SPM-100 is meant to be worn on the user's lapel, duty belt, or shoulder epaulet. It secures to the user's clothing by way of a large metal-reinforced clip which rotates 360 degrees. The SPM-100 features a powerful built-in speaker that provides loud receive audio in all but the noisiest of environments. For additional privacy and security, use the Observer with an optional listen-only earphone. Flexible polyurethane jacketed microphone cable with ample strain relief. Built in 3.5mm earphone earpiece port.