Which platform can you recommend for a LoRa/LoRaWAN remote sensor node, which fulfills the following criteria?

  • Detects presence of people in 15-minute interval (e.g. with a RCWL-0516)
  • Reports the data also in 15-minute interval (alternatively 1x/day)
  • Battery life approx. 1 year: 10 x 5 cm top surface can accomodate a solar cell, but energy harvesting also okay. We were thinking of using TP4056 with 18650s.
  • Location (see elevation profile below): Sensor at the top of a hill (altitude ~400m) with
    • Option 1: Nearly line-of-sight to an urban location (antenna at ~10m above ground)
    • Option 2: Line-of-sight to an urban location (antenna at ~150m on the roof of a building)
  • Cost around 50 EUR/60 USD

Option 1 Option 2

  • 1
    have you done any research? .... if yes, then what was the result?
    – jsotola
    Feb 16, 2019 at 19:59

1 Answer 1


You may try a PIR-LAB-51NS / PIR-LAB-41NS. SenlabP Passage detection sensor: https://sensing-labs.com/senlab-passage-detection-indoor/

It is a LoRaWAN end device with passive infrared detector.

  • The link is broken can you put the referred device into the answer itself? Aug 18, 2021 at 17:29
  • Reference: PIR-LAB-51NS / PIR-LAB-41NS. SenlabP Passage detection sensor. Aug 19, 2021 at 20:06

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