WWII U.S. Military SW-109 Shoulder Microphone

WWII U.S. Military SW-109 Shoulder Microphone – Aircraft/Radar Communications Handset

Original WWII-era SW-109 Shoulder Microphone retaining its original PL-68 cord and plug. Features black Bakelite construction, spring strain relief, and push-to-talk style side switch assembly. Commonly used with military communications, aircraft interphone, radar, and ground control equipment during World War II. Marked SW-109 and remains a desirable accessory for collectors restoring aviation, radar, and Signal Corps communication systems.