FAA FAA-E-2603 REV A PDF

- The equipments specified herein are two types of lightweight headset assemblies and a handset assembly designed for use as an FAA standard and used with communication systems at air traffic control facilities. The assemblies consist of a transmit unit, an amplifier, receiver unit, a push-to-talk switch, and a connecting retractile cord with twin jack plug. The transmit unit is designed to suppress undesired background noises and voices.