It'll work, but its impedance may or may not match your Yaesu. You may
have to make a few mods to the mike. See the info at this guy's page:
http://members.cox.net/n4jk/d104.htm

Thanks for the info, Bob. I'll check it out.
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
73! de Andy KC2SSB
Beachwood, NJ USA! Grid FM29vw
http://vhfradiobuff.tripod.com