R72632A – Wireless LoRaWAN NPK Sensor

Electric

Power Supply: 2×3.6V ER34615 lithium batteries

Operating Voltage: 6.8v to 7.2v

Standby Current: ≤400uA

Wakeup Current: 6.3mA

Receiving Current (max): 11mA @3.3V

Transmitting Current (max): 120mA/3.3V

Battery Voltage Accuracy: ±0.1V

Low Voltage Threshold: 6.8V

Detection Range of Soil NPK: 0-1999 mg/kg

Frequency

Frequency Range: 863MHz-928MHz 470MHz-510MHz

TX Power:

US915 20dbm；
AS923 16dbm；
AU915 20dbm；
CN470 19.15dbm；
EU868 16dbm；
KR920 14dbm；
IN865 20dbm；

Receiving Sensitivity:

-136dBm（LoRa，Spreading Factor=12，Bit Rate=293bps )；
-121dBm (FSK,Frequency deviation=5kHz, Bit Rate=1.2kbps)

Antenna Type: Built-in antenna

Communication Distance: Up to 10 km (visible linear obstacle-free transmission distance , actual transmission distance depends on the environment )

Data Transfer Rate:

LoRa: 0.3kbps～50kbps
FSK: 1.2kbps～300kbps

Modulation: LoRa/FSK (Note: You can choose one of them)

Supportable LoRaWAN Band: EU863-870,US902-928,AU915-928,KR920-923,AS923-1,AS923-2,AS923-3, IN865-867,CN470-510 (Note: The frequency band is optional and needs to be configured before shipment)

Physical

Dimension:
Main Body: 117 mm x 89.05 mm x 82 mm
NPK Sensor: 137mm x 45mm x 15mm

Sensor Wiring: 1.25m

Environment Temperature Range: -20℃ to 55℃

Storage Temperature Range: -40℃ to 85℃

Environment Humidity Range: <90%RH (No condensation)