PTT-51-31: PTT Speaker mic for Icom ID-51A, ID-31A

by Batteries America
$ 29.95
PTT-51-31: Push-to-Talk Speaker Microphone for Icom ID-51, ID-51A, ID-31, ID-31A, ID-51E, ID-31E, etc.  Special-design plug fits into side of these radios. Rugged design, with heavy-duty cooled cord. Replaces HM-186LS.