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Trac10245 Open Close Detection LoRaWAN Sensor

This device is equipped with a Hall sensor, which can be used for door and window switch state detection. It can realize wireless alarm and other functions through the built-in wireless module. It applys SX1276 wireless communication module.

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SKU:Trac101245Categories: , ,


Input Power 2 x 3.6V ER14505 AA lithium batteries (3.6V 2400mah/section)
Operating Voltage DC 3.1V to 3.65V

Battery Life

5 years

(Conditions: ambient temperature 25 °C, 15 min report once,

txpower = 20dBm, LoRa spreading factor SF = 10)

Standby Current 23uA

Wakeup Current

7.2mA (Typical value)

Wakeup current range 0.8mA-20 mA

* When not transmitting /receiving LoRa data)

Low Battery Voltage Threshold 3.2V
Battery Measurement Accuracy ±0.1V



Wake-up Current 0.8mA – 8mA@3.3V
RF Receiving Current (max) 11mA/3.3V
RF Transmitting Current (max) 120mA/3.3V

* Specific electrical characteristics may vary depending on the power supply voltage.

Hall Sensor Specification

External Hall Sensor Housing Size 42mm*13mm*12mm
Performance Characteristics All-pole sensing, the magnet can activate either pole.
Hall Sensor Supply Voltage Range 1.65-5.5VDC
Hall Sensor Working Temperature Range -40°C to 85°C
Push-pull Output No external pull-up resistor required
Hall Sensor Sensing Distance Less than 3cm.
Cable Length 1m


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


(LoRa,Spreading Factor=12, Bit Rate=293bps )


(FSK,Frequency deviation=5kHz, Bit Rate=1.2kbps)

Antenna Type Build-in antenna
Communication Range Up to 10km, the actual transmission distance depends on the environment.
Data Transfer Rate 0.3kbps ~ 50kbps (LoRa)

1.2kbps ~ 300kbps (FSK)

Spread Technique LoRa / FSK

Available Frequency

EU863-870,US902-928,AU915-928,KR920-923, AS923-1,AS923-2,AS923-3,IN865-867,CN470-510

(Note: optional, to be done in the factory configuration)


Dimension Main Part: L: 112mm*W: 65mm*H: 32mm
Weight 150g
Environment Temperature Range -20℃ ~ 55℃
Environment Humidity Range <90% RH (No condensation)
Storage Temperature -40℃ ~ 85℃

Main Characteristics

  • Adopt SX1276 wireless communication module
  • 2 ER14505 battery AA SIZE (3.6V / section) parallel power supply
  • The base is attached with a magnet that can be attached to a ferromagnetic material object
  • Hall sensor detection
  • LoRaWANTMClass A compatible
  • Frequency Hopping Spread Spectrum (FHSS)
  • Improved power management for longer battery life
  • Third-Party online wireless sensor monitoring and notification system to configure sensors, view data and set alerts via SMS text and email (optional)
  • Available third-party platform: Actility/ThingPark, TTN, MyDevices/Cayenne
  • Battery Life:
  1. Actual range may vary depending on
  2. Battery life is determined by sensor reporting frequency and other variables