The Invoxia GPS Tracker doesn’t need a SIM card because it works on a low-power, wide-area IoT network called Sigfox. Sigfox is widely deployed in Europe and in select cities across the globe.

What’s the most un-intrusive GPS you’ve ever seen? How about for a bike? Redditor [Fyodel] has built a Teensy-based GPS/GSM tracker that slides into your bike’s handlebars and really is out ...

AirBolt says this is the world’s smallest tracker with GPS, LTE-M, Bluetooth, and NB-IoT support. It measures just 1.45 x 1.34 x 0.34 inches, and tips the scales at just 0.75 ounces.