This speaker mic is compatible with most Icom and Yaesu Amateur Radio HT's that use a 2-pin mic input jack.
C1SM-C1 Speaker Microphone:
Medium sized, weighs only 6 oz! 3.5mm RX only jack with water/dust plug for for private listening earphone (sold seperatly). Slim profile and a rugged and replaceable belt clip.
A perfect combination of size, features and durability for any application ....
Police …
Security ...
Amateur Radio ...
Industrial ...
The Model C1SM Speaker Microphone is the Cost Effective choice