The FrSky Wireless USB Dongle For Simulator allows you to wirelessly connect your FrSky transmitter to computer to use simulator. Just install the pre-loaded HID driver to your PC (Mac users will need to download the correct HID drivers). Then bind your transmitter to it, now you can move freely while using a simulator.
FrSky Compact XSR-SIM USB Dongle supports most simulators which have no hardware encrypted.
Comes with ACCST 2.1 - will work with all the newer (2019/ACCESS) radios and older radios that have the internal XJT module flashed with ACCST 2.1
If you have an older radio or multiprotocol radio, the receiver needs to be flashed to 1.x