TP-Link Load Balance Router TL-R470t+

1 Fixed Ethernet WAN Port, 1 Fixed Ethernet LAN Port, 3 Changeable Ethernet WAN/LAN Ports
Standards and Protocols: IEEE 802.3, 802.3u, 802.3x TCP/IP, DHCP, ICMP, NAT, PPPoE, SNTP, HTTP, DNS
Button: Reset Button
Power Supply: Internal Universal Power Supply; AC100-240V~ 50/60Hz Input
Built-in firewall supports IP address filtering, Domain Name filtering, and MAC address filtering
IP and MAC binding function effectively prevents ARP virus attacks
Powerful DoS attack protection ...

If you have more than one internet line then combine them to get combine speed of internet connections.

bought online from Poland.

Hasa, Electronics, SAR 150 / TP Link Router/Load Balancer