The Hum Boomerang is an onboard railcar sensor that provides live condition monitoring of railcar bearings, wheels, trucks, and track.

The Hum Boomerang is also the first batteryless railcar sensor.
Utilizing the proprietary Hum TEG^TM energy harvester, the Boomerang is powered from the heat of the bearing.

Far more than a simple empty/loaded sensor, the Atlas Adapter^TM is the world's first onboard railcar sensor accurate to +/- 1 ton.

The Hum ValveSense is an open/close sensor offering improved safety and handling visibility. Get 100% positive close sensing on BOVs, pneumatic valves, hatches, doors, and gates.

Powered by two solar panels and a bank of lithium ion batteries, the Hum Gateway offers the most robust GPS tracker in the rail industry.

Dual BLE and LoRa wireless capability offer future proof interoperability while achieving an industry leading 1.5m CEP GPS accuracy.