Description Wireless Activity Detection Sensor R720FLT is connected with two electrode rods to detect the water make-up of the toilet water tank, detect the daily water makeup times and whether the water tank is faulty, and transmit the detected data to other devices through the wireless network for display. •LoRaWANTM Class A compatible •2*3.0V CR2450 button battery power supply •Vibration status detection •Apply SX1276 wireless communication module •Frequency Hopping Spread Spectrum (FHSS) •Configuration parameters can be configured through a third-party software platform •Applicable to third-party platforms: Actility / ThingPark, TTN, MyDevices / Cayenne •Low power consumption and long battery life Improved Technical Parameter: Electric: Input Power 2pcs 3.0V CR2450 button battery Working Voltage DC 2.4V～3.0V Standby Current 40uA /3.0V Transmitting Current (max) 120mA / 3.0V Receiving Current (max) 11mA / 3.0V Battery Voltage Measurement Accuracy ±0.1V Frequency: Frequency Range 863MHz-928MHz 470MHz-510MHz TX Power US915 20dbm； AS923 16dbm； AU915 20dbm； CN470 19.15dbm； EU868 16dbm； KR920 14dbm； IN865 20dbm； Rx Sensitivity -136dBm (LoRa，Spreading Factor=12，Bit Rate=293bps ) -121dBm (FSK,Frequency deviation=5kHz, Bit Rate=1.2kbps) Antenna Type External antenna Communication Range Up to10 km, the actual transmission distance depends on the environment. Data Transfer Rate 0.3kbps～50kbps Spread Technique LoRa/FSK Available Frequency EU863-870，US902-928，AU915-928， KR920-923，AS923，CN470-510 Configured before shipment Physical: Main Body Dimension 57mm x 38.05mm x 15.2mm Weight 48.9 g Operating Temperature -20°C ~ 55°C Environment Humidity Range <90% RH (No condensation) Storage Temperature -40℃ ～ 85°C
