Yaesu FT-900 Operating Manual page 10

Accessories & Options
Microphones
Matching the electrical and cosmetic features of
the FT-900, the MH-31AaJ Hand Mic has 600-Q im-
pedance, and include up/down and fast scanning but-
tons and a two-position tone selector.
The MD-1 ca Desktop Microphone may be used
with the FT-900. However, it requires the optional
CT-20 Microphone Cable. The CT-20 adapts the 8-pin
mic. jack on the MD-1ca to the 8-pin modular-style
plug used with the FT-900.
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