Linksys BEFW11S4 EtherFast Wireless Cable/DSL Router 4-Port Switch 802.11b

Linksys BEFW11S4 EtherFast Wireless Cable/DSL Router 4-Port Switch 802.11b

The Linksys BEFW11S4 is an EtherFast 802.11b wireless broadband router combining a wireless access point, a cable/DSL WAN uplink, and a 4-port 10/100 Fast Ethernet switch in a single compact desktop unit. It was designed to share a broadband cable or DSL internet connection among multiple wired and wireless clients simultaneously.

Specifications & What's Included

• Model: Linksys BEFW11S4
• Wireless Standard: IEEE 802.11b (Wi-Fi)
• Wireless Speed: Up to 11 Mbps
• LAN Ports: 4 x RJ-45 10/100 Fast Ethernet
• WAN Port: 1 x RJ-45 (for cable or DSL modem)
• Antennas: 2 x external fixed dipole antennas
• Form Factor: Desktop
• Housing: Blue and dark gray plastic enclosure
• Includes: Router unit only — AC adapter is missing and NOT included

Applications

The BEFW11S4 was one of Linksys's early consumer broadband routers from the early 2000s, aimed at home and small-office users looking to share a single cable or DSL modem connection over both wired Ethernet and wireless 802.11b (11 Mbps, 2.4 GHz). The four-port switch handled wired desktops and workstations, while the integrated wireless access point served laptops and other Wi-Fi devices — all through one box. The BEFW11S4 went through several hardware versions and was widely deployed in homes and small offices during the early broadband adoption era. Today it is primarily of interest for vintage networking collections, parts sourcing, legacy network reproduction, or educational use, as 802.11b has long been superseded by 802.11g, n, ac, and Wi-Fi 6.