Jrifedptry GPS Tracker PCBA Module Real Time Tracking Locator Device for Car Kids Elderly Men Anti-Lost Recording Tracker

Insert the sim card into the device (there is a schematic diagram of the direction on the card holder), and hold the power button for 3 seconds to Select GSM network nano sim card, need to open GPRS Internet access function and caller ID The device supports 2G mobile phone cards and IoT cards, but does not support CDMA mobile phone cards Three lights are on (the black button next to the deck is the power button)