HARDWARE FEATURESInterface1 USB 2.0 Port for LTE/HSPA+/HSUPA/HSDPA/UMTS/EVDO USB Modem 1 10/100Mbps WAN Port, 4 10/100Mbps LAN Ports, support the auto-Negotiation and auto-MDI/MDIXButtonWPS/Reset Button Wireless On/Off Switch Power On/Off ButtonExternal Power Supply12VDC/1ADimensions ( W x D x H )8*5.4*1.7 in. (204*138*44 mm)Antenna TypeOmni directional, Detachable, Reverse SMAAntenna Gain2x5dBiWIRELESS FEATURESWireless StandardsIEEE 802.11b, IEEE 802.11g, IEEE 802.11nFrequency2.4-2.4835GHzTransmit Power<20dBmWireless SecuritySupport 64/128 bit WEP, WPA-PSK/WPA2-PSK, Wireless MAC FilteringSOFTWARE FEATURESSecurityNAT Firewall, SPI Firewall, MAC / IP / Packet / Application / URL Filtering, Denial of Service(DoS), SYN Flooding, Ping of DeathManagementWeb Based Configuration(HTTP), Web Based Firmware UpgradeOTHERSCertificationCE, FCC, RoHSPackage Contents3G/4G Wireless N Router TL-MR3420 2 Antennas Power supply unit Ethernet Cable Resource CD Quick Installation GuideSystem RequirementsMicrosoft® Windows® 98SE, NT, 2000, XP, Vista™ Windows 7, 8, 10, MAC® OS, NetWare®, UNIX® or Linux.EnvironmentOperating Temperature: 0℃~40℃ (32℉~104℉) Storage Temperature: -40℃~70℃ (-40℉~158℉) Operating Humidity: 10%~90% non-condensing Storage Humidity: 5%~90% non-condensing