The D-Link DIR-615 is a wireless broadband router, allowing users to share a broadband internet connection across their home or small business network. The DIR-615 features Wireless-N technology, but is still compatible with Wireless-G and –B technologies. It also allows four wired 10/100 Megabit connections. The DIR-615 boasts dual built-in firewall protection, using SPI and NAT firewalls. The D-Link DIR-615 uses WPA and WPA2 security encryption, and allows VPN pass-through as an option. Released May 2007, the D-Link DIR-615 retails at $50.