I use the "BLU TPMS" system:
https://techbyblu.com/products.html
6 sensors, max 150 PSI (I've seen that set on Amazon for ~$200).
The system is entirely bluetooth low energy and uses a phone/tablet app to report back tire pressures (alarms, etc.).
I have a dedicated tablet in the RV that runs the app and the
LevelMatePRO's app for levelling (I also use it to download google maps to for navigation backup). The tablet has no issues seeing all 6 sensors on our Axis.
The other benefit, for me, for using bluetooth LE is that I could reverse engineer the signal the sensors were sending and write my own app LOL.
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