Tp-link TL-MR3420, 300Mbps Wireless, 3G/4G Router, Interface 1 USB 2.0 Port for LTE/HSPA+/HSUPA/HSDPA/UMTS/EVDO USB Modem1 10/100Mbps WAN Port, 4 10/100Mbps LAN Ports, support the auto-Negotiation and auto-MDI/MDIX, External Power Supply 12VDC/1A, Antenna Gain 2x5dBi, Wireless IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, Frequency 2.4-2.4835GHz, Wireless Security Support 64/128 bit WEP, WPA-PSK/WPA2-PSK. TL-MR3420 features blazing 4G speeds and backward compatible with 3G modems, allowing users to share a 3G/4G mobile broadband with family and friends via wired or wireless connection.