Samsung SCH-A890

I have an a670 now and I am generally pleased with it but I am adding a new line and figure I might want to give this phone a try. Right now I use my data cable to connect to the verizon Express Network that hits speeds of about 240 KB/s and only takes minutes away. Does the a890 work with this same cables as the a670, can I use the phone as a modem and only have minutes deduct, and is the connection faster with EV-DO or will it be the same 240KB/s?