Soyo AWRO3101

Aerielink 802.11g Wireless AP Router with 4-port Switch Product page (via archive.org) (first appeared on the site 08/19/2003)
 * Manual

This device was part of the SWRK1401U1 Aerielink Router Kit.. which appears to have been sold for $59.99.

Review of the device on 3dnews.ru (dated 2004-03-15)

Specifications, per the manual, follow...
 * Dimensions: 189 mm (W) x 122 mm (D) x 27 mm (H)
 * Operating Temperature: 0°C to 40°C
 * Storage Temperature: -10°C to 70°C
 * Power: 12 VDC, 800 mA (conflicts w/ vendor's product page)

On Newegg