RFFM4591 3.0V TO TO 3.6V, 4.9GHz TO 5.85GHz 802.11.
RFFM4591 - 4.9GHz TO 5.85GHz 802.11a/n/ac FRONT END MODULE
RFFM4591F - 4.9GHz to 5.85GHz 802.11a/n/ac WiFi Front End Module