There’s also a NEO-6M GPS receiver which works at the same 3.3 ... He decided to go with the low-cost SIM800L GSM modem, but as it only works on 2G networks, provisions have been made in the ...

Thankfully, expert-tested and parent-reviewed GPS trackers can ensure you know where your child is at all times, no matter how frequently they wander off. I would balance the need for safety ...