Decoding the NB-IoT downlink

Recently I have been posting about V16 beacons, which are car emergency warning beacons that have been introduced this year in Spain, and which use the LTE NB-IoT cellular network to transmit their geolocation data to the traffic authority network when they are switched on. As part of experimenting with these beacons, I made recording Continue reading Decoding the NB-IoT downlink