How about the example guide using GPS serial in GSMIO to get the latitude and altitude (GPS location)?

Here's the Setup using GPS Module/Shield in serial.

Wiring Diagram: https://www.e-gizmo.net/oc/kits%20documents/GSM%20REMOTE%20IO%20KIT/GSMIO-GPS%20interface%20connections.jpg

Setup: https://www.e-gizmo.net/oc/kits%20documents/GSM%20REMOTE%20IO%20KIT/sample%20guide%20using%20gps%20serial.jpg

Tags: GSMIO