According to the FCC manual supplied by RIM for the 8120 it lists both GPS and WiFi...wouldn't that be great!!!! Below are links to both of the manuals that are brought up on the FCC website for the 8120, both have information and instructions for GPS and WiFi!!!
https://fjallfoss.fcc.gov/prod/oet/f...ive_or_pdf=pdf
https://fjallfoss.fcc.gov/prod/oet/f...ive_or_pdf=pdf