Orinoco/Netstumbler

[mcer20]

I am useing a Orinoco gold classic card and useing Netstumbler. I also use an external antenna. When I am in Netstumbler and go to device I get two options.....

- Orinoco PC Card (5volt) Orinoco
and
- Orinoco PC Card (5volt) NDIS 5.1

Please can anyone tell me what the differnce is.