Using gps devices with google earth, Using gps devices with, Google earth – Google Earth User Guide User Manual
Page 87: Supported devices, Required connectors, About gps points, Google earth user guide

Google Earth User Guide
Using GPS Devices with Google Earth
If you have a GPS (Global Position System) device, you can connect it to
your computer and import your waypoint and track data into Google Earth.
Note that this set of features is available to users of Google Earth Plus,
Google Earth Pro and Google Earth EC, but not the free version (see
). Topics in this section include:
Viewing Realtime GPS Information
Supported Devices
Google Earth currently supports most GPS devices from the following
manufacturers:
lists the devices officially supported by the Google
Earth GPS import feature. You can try other devices, but they might not
work correctly. If you're using a device that is not supported, you can try
importing GPS data from the device to your computer as a .gpx or .loc file
and then opening it in Google Earth (File > Open).
Required Connectors
You need either a serial or USB cable to connect the GPS device to your
computer. Typically, your device is sold with one type of cable. If your GPS
device did not come with a cable, you can visit the manufacturer's web site
to purchase the correct one for your model.
About GPS Points