1MT7620A Master Chip. 128MB DDR2 +16MB flash. Low latency, high speed, stable, powerful. Provides 4G network connection up to 150Mbps. 2External 4 independent 4G/3G+WiFi antenna interfaces. Provides optimal coverage and reliability. Increases signal strength, allowing you to enjoy reliable wireless connectivity anytime, anywhere. 3Multi-version optional, support for a wide frequency band. Basic coverage, we provide the Asian version, the European version, the American version, the Australian version, and the 3G version. 4With wired broadband interface, dual cable function with 4G dialing and WAN port dialing. 5All metal structure, stable performance, small size. Easy to install and embed, resistant to environmental resistance. Widely used in the industrial field.Features:MT7620A Master Chip. 128MB DDR2 +16MB flash. Low latency, high speed, stable, powerful. Provides 4G network connection up to 150Mbps. External 4 independent 4G/3G+WiFi antenna interfaces. Provides optimal coverage and reliability. Increases signal strength, allowing you to enjoy reliable wireless connectivity anytime, anywhere. Multi-version optional, support for a wide frequency band. Basic coverage, we provide the Asian version, the European version, the American version, the Australian version, and the 3G version. With wired broadband interface, dual cable function with 4G dialing and WAN port dialing. All metal structure, stable performance, small size. Easy to install and embed, resistant to environmental resistance. Widely used in the industrial field. Specifications:Material: MetalSize: Approx. 13*8.2*3cm/5.12*3.23*1.18inchColor: As is shown on the photoMain Chipset: MT7620ARAM: DDR2 128MBSPI FLASH: 16MBProtocol: IEEE 802.11n, IEEE 802.11g, IEEE 802.11b, IEEE802.11ac, IEEE802.11a, IEEE 802.3, IEEE 802.3uRT Power: 802.11b 18dBmplusmn2dBm, 802.11g 15dBmplusmn2dBm, 802.11n 15dBmplusmn2dBm, 802.11ac depends on the 11AC modeReception Sensitivity: 802.11b: -83dBm/10% PER, 802.11g: -74dBm/10% PER, 802.11n: -68dBm/10% PER, 802.11ac: depends on the 11AC modeWork Channel: 2.4GHz choose:1-13, 5GHz choose: 149, 153, 157, 161, 165Wireless Rate: 300Mbps MaxWork Frequency: 2.4GHzAntenna: 2 or 4*undetachable 5dBi antennaInterface: 1*PCI-E slot, 1*SIM card slot, 1*USB 2.0 port, 1*10/100/100M WAN port(Auto MDI/MDIX), 4*10/100/100M LAN port(Auto MDI/MDIX)LED: Power, PCIE mode, 2.4G, WAN, LAN1, LAN2, LAN3, LAN4Button: ResetMax Power consumption: 12WWAN Type: PPPoE, Dynamic IP, Static IP, 3G 4G Dial upWork Mode: AP, RouterDHCP: Server, Client, DHCP Client List, Address ReservationPort Forwareding: Virtual Server, Port Triggering, UPnp, DMZFirewall Security: DOS, For SPI Firewall IP Address Filter/For MAC Address Filter/Domain Filter IP and for MAC Address BindingDDNS: SupportVPN Pass-Through: PPTP, L2TPStatic Router: SupportSystem Log: SupportOther Function: For MA