Linksys WPC54GR

Wireless-G Notebook Adapter with RangeBooster™

This device appears to be a Gemtek WPCR-137G.

lspci -nnv dump
06:00.0 Network controller [0280]: Ralink corp. RT2600 802.11 MIMO [1814:0401] Subsystem: Linksys WPC54GR v1 802.11g Wireless-G Notebook Adapter with RangeBooster [1737:0052] Flags: bus master, slow devsel, latency 64, IRQ 19 Memory at f1d00000 (32-bit, non-prefetchable) [size=32K] Capabilities: [40] Power Management version 2 Kernel driver in use: rt61pci

rt2x00 chip info dump
ieee80211 phy21: rt2x00_set_chip: Info - Chipset detected - rt: 2661, rf: 0004, rev: 000d