802.11b and 802.11a and RJ-45 on one puny Wireless PCMCIA??
Nah!
To connect at home you can get USB to Ethernet or PCMCIA with RJ-45 both can be found for about $20 each.
As for Wireless you might as well buy 802.11 a/b/g
There is not too Manu of them search the pricescanners for a deal.