WWII/Cold War US Military CU-64/APT Radio Antenna Coupler Unit Signal Corps

Offered here is an original U.S. military CU-64/APT antenna coupler / radio interface unit, likely dating from the WWII to early Cold War period.

This unit features clear military markings and was processed through Kelly AFB, San Antonio Air Materiel Area, a major U.S. Air Force logistics and refurbishment center.

These units were used in military radio systems to match impedance between transmitter/receiver equipment and antenna systems, making them an essential part of airborne and ground communications setups.

Features:

• Model: CU-64/APT
• Military issue communications component
• Marked:
• 50-ohm UNBAL input
• 100-ohm BAL output
• Heavy steel housing with original finish
• Original connectors intact
• Kelly AFB processing decal (great provenance)

Condition:

• Untested, sold as-is
• Shows age, dust, and storage wear
• No major structural damage
• Internals not inspected
• Displays well as a collector piece

Collector Appeal:

• WWII / early Cold War radio collectors
• Aviation / Signal Corps collectors
• Military display & restoration projects