© Brooke Clarke,
2001 - 2016
This is a dynamic microphone with a PTT switch (hence the "set"
designation) and 2 foot long when retracted coiled cord with 5-pin
U-229 mil connector.
Note: Like the H-250 handset, this mike uses a noise
cancelling mike element so it must be used with the mike touching
There appear to be at least 3 variants:
Don't know the difference between them.
Label on mike:
Label on MIL-B-131H Bag:
Microphone Dynamic M-80C/U
Insp 0295-321 BL6 CCA
NSN 5965 00 179 7762, Model M-80 C/U
NSN 5820-00-856-9165 is a mounting kit containing a
couple of hooks and associated hardware.
PS magazine also shows using parachute cord strung up like a
closeline in the HMMWV
to keep the mike
and it's cord up out of harm's way.
This is a U-229 Audio connection.
A to C is closed for PTT, 5 Ohms
A to D is mike when PTT is closed, 156 Ohms
Pg 12 -
Back to Brooke's Photo of Military Audio
Accessories, U-229 Audio Accessories,
Military Audio, PRC68.COM,
Squad Radio, Military
Page created 27 March 2001.