GPS.cards SIM for Avtograph WiFi Monitoring Device + No Contracts + APP Stay connected at all times with the GPS.cards SIM for Avtograph WiFi Monitoring Device. This prepaid SIM card is compatible with 4G 3G and 2G devices making it versatile for over 1500 GPS Tracker models. With the TurnKey Mobile App for GPS Tracking included you can easily set up and manage your monitoring device. Say goodbye to contracts and enjoy a cost-effective solution for all GPS Tracker users. Prepaid SIM card compatible with 4G 3G and 2G devices Works with over 1500 GPS Tracker models TurnKey Mobile App for GPS Tracking included