The Yaesu MD-100A8X Desktop Microphone works great with the FT-450, FT-857, FT-857D, FT-897D, FT-817, FT-817D, FT-817ND, FT-840, FT-890, FT-950, FT-990, FT-1000, FT-1000MPV and the FT-2000. This desktop mic is equipped with a Scan Switch, PTT (push to talk) Switch, High Emphasis Switch, a Low Cut Switch and a special cable that can terminate to a Yaesu 8 pin microphone plug or modular plug.
-Transducer Type: Dynamic
-Frequency Response: 100-5000Hz
-Sensitivity: -75dB (0 dB=1 V/0.1 Pascal)
-Impedance: 500 ohms unbalanced
-Weight: 24 ounces
Attention: The MD-100A8X will not work on Yaesu mobile radios due to differences in impedance.