The CISCO HWIC-1ADSL 1-Port High Speed ADSL WAN Interface Card is a reliable and high-quality networking component designed specifically for enterprise routers. With its compatibility with Cisco devices and its dedicated WAN interface functionality, this card offers a seamless and efficient solution for connecting to high-speed ADSL networks. The HWIC-1ADSL model ensures a secure and stable connection, making it a valuable addition to any enterprise networking setup.Came from a working router.