Icom HM-203EX ATEX Speaker Microphone£109.99 Quantity Icom HM-203EX ATEX Speaker Microphone quantity Add to basket Compare DescriptionFeaturesSpecificationsIcom HM-203EX is an ATEX rated remote speaker microphone designed for use with the Icom IC-F3202DEX and Icom IC-F4202DEX ATEX digital radios. Category: Accessories Specification