Hardware Processor · RTL8197H (1GHz) RAM · 64MB, DDR2, built in processor Flash · 8MB, SPI Interfaces · 10/100/1000BASE-T WAN port · 4 10/100BASE-TX LAN ports LEDs · Power · Internet · 4 LAN LEDs · WLAN 2.4G · WLAN 5G · WPS Buttons · POWER button to power on/power off · WIFI button to enable/disable wireless network · WPS button to set up wireless connection · RESET button to restore factory default settings 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 · Support of IEEE 802.1X for Internet connection · DHCP server/relay · 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 IP routing · Static IPv6 routing · IGMP Proxy · MLD Proxy · RIP · Support of UPnP IGD · Support of VLAN · WAN ping respond · Support of SIP ALG · Support of RTSP · WAN reservation · Autonegotiation of speed, duplex mode, and flow control/Manual speed and duplex mode setup for each Ethernet port · Setup of maximum TX rate for each port of the router · Built-in UDPXY application Firewall functions · Network Address Translation (NAT) · Stateful Packet Inspection (SPI) · IP filter · IPv6 filter · MAC filter · URL filter · DMZ · Prevention of ARP and DDoS attacks · Virtual servers · Built-in Yandex.DNS web content filtering service VPN · IPsec/PPTP/L2TP/PPPoE pass-through · IPsec tunnels DIR-841 AC1200 MU-MIMO Wi-Fi Gigabit Router with Fast Ethernet LAN Ports Software Management · Local and remote access to settings through TELNET/WEB (HTTP/HTTPS) · Bilingual web-based interface for configuration and management (Russian/English) · Support of application for Android smartphones · Notification on connection problems and auto redirect to settings · Firmware update via web-based interface · Automatic notification on new firmware version · Saving/restoring configuration to/from file · Support of logging to remote host · Automatic synchronization of system time with NTP server and manual time/date setup · Ping utility · Traceroute utility · TR-069 client Wireless Module Parameters Standards · IEEE 802.11a/n/ac · IEEE 802.11b/g/n Frequency range · 2400 ~ 2483.5MHz · 5150 ~ 5350MHz · 5650 ~ 5725MHz Wireless connection security · WEP · WPA/WPA2 (Personal/Enterprise) · МАС filter · WPS (PBC/PIN) Advanced functions · Support of client mode · WMM (Wi-Fi QoS) · Information on connected Wi-Fi clients · Advanced settings · Smart adjustment of Wi-Fi clients · Guest Wi-Fi / support of MBSSID · Rate limitation for wireless network/separate MAC addresses · Periodic scan of channels, automatic switch to least loaded channel · Support of 802.11ac (5GHz) and 802.11n (2.4GHz) TX Beamforming · Autonegotiation of channel bandwidth in accordance with environment conditions (20/40 Coexistence) Wireless connection rate · IEEE 802.11a: 6, 9, 12, 18, 24, 36, 48, and 54Mbps · IEEE 802.11b: 1, 2, 5.5, and 11Mbps · IEEE 802.11g: 6, 9, 12, 18, 24, 36, 48, and 54Mbps · IEEE 802.11n (2.4GHz): from 6.5 to 300Mbps (MCS0–MCS15) · IEEE 802.11n (5GHz): from 6.5 to 300Mbps (from MCS0 to MCS15) · IEEE 802.11ac (5GHz): from 6.5 to 867Mbps (from MCS0 to MSC9)