Cisco 1-Port ISDN WAN Interface Card - 1 x ISDN BRI (S/T)

With ISDN BRI (S/T) technology, enjoy up to 128Kbps data transfer rate over service provider link Supports cost-efficient twisted pair cables for high-speed data transfer up to 100 meters Wide Area Network wan interface card (wic) makes it possible to communicate internally faster and more efficiently WAN Interface Card (WIC) is the single answer to all your desired and specified application execution needs