Quick overview from the supplier:
USB Wireless Adapter BenQ WDRT8192 (Black dongle)
Compatible with:
GP3, GP10, GP20, MX661, MS619ST, MX620ST, MW621ST, MS630ST, MX631ST, MW632ST, MH680, MX666, MW665, MW724, MX768, MW769, SW916, SH915,
2014 models: PU9730, PX9210, PU9220, PX9710, PW9620, PU9730