The is a high-gain wireless USB adapter that uses the Atheros AR9271 chipset. Because this chipset is widely used (famously in the TP-LINK TL-WN722N), you can find drivers through several reliable channels. Driver Download Options
struct pwdn4210d_device *pwdn = dev_get_drvdata(dev); pwdn4210d driver full
To locate, verify, and document a complete (“full”) driver package for the device identified as PWDN4210D , and to provide installation guidance or alternatives. Proware PW-DN4210D The is a high-gain wireless USB