Linksys EZXS55W v2.0

"A/N: PCB ADS5-KA4", "P/N: ADS5 Rev.A", and "START: 2000/5/23"
 * is silkscreened on the top in the main board.

The manufacturer of this device would seem to be Runtop.
 * 0034 (Aug. 2000 date code) is etched onto the bottom.