No. It only supports 2.4 GHz b/g/n. If you need 5 GHz, consider a dual-band adapter like the Frontech JIL-0722 or a different brand.
Look for "Other Devices" or a yellow exclamation mark next to "802.11n WLAN". frontech 07 20 wifi driver download
Loose connection, dead USB port, or corrupted firmware. dead USB port
: Try a different USB port, preferably one on the back of the PC if using a desktop. Manual Update Device Manager frontech 07 20 wifi driver download