HM-183LS Waterproof Speaker Microphone
The HM-183LS is a waterproof speaker microphone for selected Icom IP, LTE and D-STAR handsets.
For use with the IP100H IP Handset, IP501H/IP503H LTE Handset and the ID-31E/ ID-51E D-STAR handportables.
The HM-183LS is waterproof even when attached to any of these radios.