ZOOM ADSL Modem/Router with Wireless-N (5790-00-00AG) Provides a high speed Internet link to computers, e-readers, tablets, phones, and other devices. Wi-Ficompatible 300 Mbps Wireless-N router has a firewall and other network safeguards Maximum ADSL download speed is 27 Mbps and maximum upload speed is 1.2 Mbps (3 Mbps for Annex M). Speed also depends on your ADSL service and your modem's distance from your telephone company's ADSL equipment. Wireless Distribution System (WDS) support for use with wireless repeaters Broadcom ADSL and wireless-N technology enhance performance and compatibility Works with all popular ADSL 2/2+ services, including Annex A, L, and M. Note: Not recommended for AT&T U-verse service. Built-in IPsec VPN Endpoint (Hardware VPN). Supports IPv6 and IPv4 for powerful, flexible network addressing. The unit carries a one year warranty and USA- based support from Zoom, a Boston-based manufacturer of communication products since 1977.