Icom Speaker Microphone HM234£80.00 Quantity Icom Speaker Microphone HM234 quantity Add to basket Compare DescriptionFeaturesSpecificationsThe Icom HM-234 is a microphone which is compatible with both the IC-A24E and IC-A6E Airband hand portables. The HM-234 is a direct replacement to the discontinued HM-173 microphone. Category: Accessories Specification