Linksys WRT54G series
The Linksys WRT54G (and variants WRT54GS, WRT54GL, and WRTSL54GS) is a Wi-Fi capable residential gateway from Linksys. The device is capable of sharing Internet connections among several computers via 100 Mbit/s 802.3 Ethernet and 802.11b/g wireless data links. The firmware used in these units varies between versions.
According to OpenWrt, devices in the Linksys WRT54G series use various processors, all of them 32-bit MIPS architecture processors, most manufactured by Broadcom.
Hardware and revisions
WRT54G
WRT54G version 2.0 with upgraded antennas
WRT54G version 2.0 with upgraded antennas
The original WRT54G was first released in December 2002. It has a 4+1 port network switch (the Internet/WAN port is part of the same internal network switch, but on a different VLAN). The devices have two removable antennas connected through Reverse Polarity TNC connectors. The WRT54GC router is an exception and has an internal antenna with optional external antenna.
As a cost-cutting measure, the design of the latest version of the WRT54G no longer has detachable antennas or TNC connectors. Instead, version 8 routers simply route thin wires into antenna 'shells' eliminating the connector. As a result, Linksys HGA7T and similar external antennas are no longer compatible with this model.
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