2. Accuracy: R400/R2504. LoRaWAN Frequency rate choice: EU868MHz, AU915MHz, US915MHzTECHNICAL SPECIFICATION:DN15-DN25 R400,R250; DN32-DN40 R250Measured mediumWater, homogeneous liquid, and filled with measured pipes.Accuracy classClass 2Water pressure class1.6MAP ( 16 bar)Pressure-loss class<span c