Enterasys RBTBH-R2W

Datasheeet (@ cxtec.com, via archive.org)

This card identifies in Windows as a...
 * PCMCIA\Agere_Systems-Wireless_PC_Card_Model_0118-42F2
 * PCMCIA\Agere_Systems-Wireless_PC_Card_Model_0118-0156-0004

The card does not identify as a PCI device when plugged in (despite the CardBus strip on the card).. but it does register as a PCMCIA device.

"8U580" is on the board.

Additional specifications
These specifications are per the Enterasys datasheet.

Images