See 'WikiDevi' @ the Internet Archive (MW XML, Files, Images)
This is a 56k modem and Wi-Fi combo card.
"200-0903-001 REV 3" is silkscreened on the board in the FCC photos.
IC: 2417 11598A
IBM FCC ID of ANOM3AWEB56GA, IBM FRU 26P8520 + 26P8437, P/N SN: 26P8519 + 26P8436
- IBM High Rate Wireless LAN Mini PCI Adapter
- IBM High Rate Wireless LAN Mini-PCI Adapter with Modem II on ThinkWiki
- Latest driver on the Lenovo site
- PCI\VEN_1260&DEV_3873&SUBSYS_25138086 is the ID in the driver.
- Used in the T30 series, X30 series, and R32 series.
Used in the ASUS M2400E.
This device appears to be based on the Intersil ISL37400M reference design.