External 3G Module (Optional)
With an external 3G module (which is sold separately), you can insert an SIM card to
it, connect it to this product and then successfully connect to 3G Internet.
About the installation, you should know:
a. SIM card should be able to support WCDMA net.
b. Please connect the 3G dongle to the car radio’s USB port, you will get 3G net
symbol and then surf on the internet after you open the network connection.