Altair 5143 Beltpack Covert Acoustic Tube earpiece + Mic with Mini XLR4F

Altair Covert In-ear headset with acoustic tube earpiece and PTT microphone.

Fitted with a mini XLR4F connector and Electret Powered microphone.
This headset is suitable for Extreme version and non-extreme Altair wireless beltpacks.

Please note the beltpack must support Phantom Power for an Electret Microphone .
This might need to be enabled in the set-up menus, switches or internally configured for your beltpack.
If in doubt find and consult the manual for your beltpack.