PT-H9D-ROC IEEE 802.11b/g Wi-Fi Adapter - USB - 54Mbps 54 Mbps 802.11g Wireless LAN USB 2.0 Adapter General Features: USB 2.0 interface (9-foot cable length, approximate) Fixed 9 dBi dipole antenna Standards: IEEE 802.11b, IEEE 802.11g Data Rate: IEEE 802.11b up to 11 Mbps, IEEE 802.11g up to 54 Mbps Frequency band: 2.412 GHz ~ 2.484 GHz unlicensed GSM band