Product Sheet AEXT-401A Axon ADAU Extender Card Product Sheet share The AEXT-401A is an extender card, which allows modules contained in an Axonite (AITE-401A) remote housing to connect to an ADAU chassis. Download Resource Login to download this resource Username Enter your Curtiss-Wright Defense Solutions username. Password Enter the password that accompanies your username. Don’t have an account?Register here.