Yaesu MH-31A8J
Hand Mic

The Yaesu MH-31A8J is a high-quality, durable hand microphone that is designed to work with many recent Yaesu HF and HF/VHF transceivers. It features an 8 conductor modular plug, Up-Down Tuning and Fast Tuning (on compatible models). There is a two position Tone switch on the back of the mic. Includes mic clip and two screws.

Compatible with the FT-857 and FT-857D.

          Specifications
Microphone Element: Dynamic
Audio Tone Response: Tone 1 Full range. Tone 2 -14dB ±3 dB at 100 Hz
Sensitivity: -78 dB ±3dB at 1 kHz
Microphone Impedance: 190 Ohms ±30% at 1 kHz (Tone 1)
Dimensions: 2.5 x 4.5 x 1.25 inches
Weight: 7 ounces (183 g).