TP-LINK TL-MR3220 Wireless N150 3G/4G Router, 2.4Ghz 150Mbps, Compatible with UMTS/HSPA/EVDO USB Modem, 1x 5dBi antennas Compatible with UMTS/HSPA/EVDO USB modems, tested in the field 3G/WAN failover guarantees a sustained Internet connection Local wireless share speed is up to 150Mbps, excellent for HD video streaming and gaming 3G/WAN failover guarantees a sustained Internet connection Button QSS (WPS Compatible) External Power Supply 9VDC Antenna Type Omni directional, Detachable, Reverse SMA Antenna Gain 5dBi Wireless Standards IEEE 802.11n*, IEEE 802.11g, IEEE 802.11b Frequency 2.4-2.4835GHz Certification CE, FCC, RoHS