Hardware Processor · RTL8197FH-VG (1GHz) RAM · 128MB, DDR2, built in processor Flash · 16MB, SPI Interfaces · 10/100/1000BASE-T WAN port · 4 10/100/1000BASE-T LAN ports LEDs · Power · Internet · WLAN 2.4G · WLAN 5G Buttons · RESET button to restore factory default settings · WPS button to connect mesh network devices, set up wireless connection, and enable/disable wireless network Antenna · Four external non-detachable antennas (5dBi gain) MIMO · 2 x 2, MU-MIMO Power connector · Power input connector (DC) Software WAN connection types · PPPoE · IPv6 PPPoE · PPPoE Dual Stack · Static IPv4 / Dynamic IPv4 · Static IPv6 / Dynamic IPv6 · PPPoE + Static IP (PPPoE Dual Access) · PPPoE + Dynamic IP (PPPoE Dual Access) · PPTP/L2TP + Static IP · PPTP/L2TP + Dynamic IP Network functions · DHCP server/relay · Advanced configuration of built-in DHCP server · Stateful/Stateless mode for IPv6 address assignment, IPv6 prefix delegation · Automatic obtainment of LAN IP address (for access point/repeater/client modes) · DNS relay · Dynamic DNS · Static IPv4/IPv6 routing · IGMP/MLD Proxy · RIP · Support of UPnP IGD · Support of VLAN · WAN ping respond · Support of SIP ALG · Support of RTSP · WAN failover · Autonegotiation of speed, duplex mode, and flow control / Manual speed and duplex mode setup for each Ethernet port Firewall functions · Network Address Translation (NAT) · Stateful Packet Inspection (SPI) · IPv4/IPv6 filter · MAC filter · URL filter · Ad blocking function · DMZ · Virtual servers · Built-in Yandex.DNS web content filtering service VPN · IPsec/PPTP/L2TP/PPPoE pass-through · PPTP/L2TP tunnels · L2TP over IPsec · IPsec tunnels Transport/Tunnel mode IKEv1/IKEv2 support DES encryption NAT Traversal Support of DPD (Keep-alive for VPN tunnels)