This is a standalone USB Transponder module that works in FSX / FS2004, ASA On Top and Elite software. It can used on its own or as part of your own build as you can stack.

The all new modular Transponder enables you to build your own avionics stack

Transponder based on Bendix King KT 76 A


Features

• Modular re-arrangeable / re-build to own preferences
• Microsoft Flight Simulator Compatible
• USB (lead included)