The AA34 Universal Radio Interface will handle the interface and switching requirements of mobile or CB radio systems when integrated into an aircraft audio system. The AA34 unit provides microphone excitation; relay keying, and sidetone generation, all fully isolated from airframe ground.

• Mobile/FM radio interface
• Provides floating key lines
• Internal RX and Sidetone amplifier
• Provides floating audio lines in and out
• Internal mic exciter with adjustable output
• Internally selectable functions and levels

Requires Install Kit: EDI-34C or AA34-IKC