Networking Wireless Networking Part Number Model 43R9153 ThinkPad 3G BroadBand Option Wireless Networking Part Number Model 43R1821 Vodafone HSDPA Embedded Mobile Broadband Option 40Y7026 ThinkPad 11a/b/g Wireless LAN Mini-PCI Express Adapter - Europe 40Y7030 ThinkPad 11a/b/g Wireless LAN Mini-PCI Express Adapter - Middle East