IC-A12 Radio Intercom Alphatec

Additional information:

Civil aviation standard: Double jack 5.25 and 6.35 mm

Alphatec ULM standard: Single jack 6.35 compatible with older Alphatech PRO and PRO2 helmets in ICA12P version.

• VHF aviation radio
• GSM telephone via our BTA-11 adapter, sold separately
• Auxiliary input
• Recording output
• SMD (surface-mounted component) technology, powered by on-board 12V.
• Voice triggering and intercom volume adjustable from front panel (voice triggering can be completely suppressed)

All interfaces are connected to the rear of the unit via professional 10mm-diameter snap-in sockets with coding.


Supplied with 12V power cable on 9-pin SubD socket, with inputs for various alternates:

Pin 1: 0 Volt / ground alternates and frequency change (black wires)
Pin 2: UHF alternate (brown wire) (not used on IC-A12 or IC-A12P)
Pin 3: VHF frequency change (violet wire)
Pin 4: VHF passenger alternate (grey wire)
Pin 5: VHF pilot alternate (white wire)
Pin 6 and 7: Line in/hook out/voice dial button (blue wires) for BT-A11 adapter sold separately
Pin 8: Not connected
Pin 9: + 12 volts (red wire)