Cisco High-Speed

Cisco High-Speed - Expansion module - HWIC - 10/100 Ethernet - refurbished - for Cisco 1841, 1921 4-pair, 1921 ADSL2+, 19XX, 28XX, 28XX 2-pair, 29XX, 38XX, 39XX The Layer 3 Cisco 1-Port Fast Ethernet High-Speed WAN Interface Cards (HWICs) offer small-to-large-sized businesses and enterprise branch-office customers the option to add Layer 3 routed ports with many advanced features, including quality-of-service (QoS) and rate-limiting capabilities.