The ADSL 2/2+ Modem Router, model TDM-C500, provides a modem for Internet access & a high speed router to allow multiple connections to the internet. It supports all Internet service providers with ADSL 2, ADSL 2+, Annex A, Annex L, or Annex M networks. Installation is a breeze with a step-by-step setup wizard; status LEDs convey devices status; & a convenient on/off power button protects hardware when powering down. Protect your data with a dual NAT & SPI firewall. Manage access to the Internet with IP port & MAC address filtering & URL & domain name blocking controls. Additional features include a browser-based management interface, SNMP v 1 & v 2 support, Qo S data prioritization, DMZ controls, Port Forwarding, & Dynamic DNS support.