The original HM29 and HM30 microphones are no longer available. The M100 can be modified to accept a HM114 hand microphone IF it can be sourced. None of these are available anymore. Click the attached PDF for details.
Attention
Icom America's Technical Support Center website is intended to answer technical or operational questions on Icom products purchased in North America and South America.
If you purchased product outside these regions, please click on the button below to find and contact a local Icom distributor.