**t's used, it's missing a part, and it's not known if it works 100%.***UTT ER520 4 WAN Ports Router with 4 100M WAN Ports 4 100M LAN Ports, Wired VPN Router with Load Balance & Failover, IPSec and PPTP VPN, Access Control, for Home and Small Business

ER520 SMB Router is a purpose-built solution designed for SOHO enterprises and broadband communities. With UTT self-developed operating system ReOS, ER520 delivers a high security, easy-to-use and low cost platform for UTT customers. It not only supports common features such as NAT, bandwidth management, PPPoE Server and IP/MAC binding, but also offers access control, security management and network maintenance. 2-WAN port design offers multiple choices for ISP connections and real-time backup and load balancing.