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The M-101/AIC is a noise-canceling moving coil microphone element designed for use on a headband-type headset at low altitudes or in an oxygen mask or pressure helmet. The microphone is intended for use with AN/AIC-10 and AN/AIC-18 intercommunication sets to provide communications in noise conditions encountered in military aircraft. The unit meets certain requirements of MIL-STD-810 and MIL-STD-202 and weighs 16 g.