Part No.

SEN453

Used to detect the status of a door or window opening

 

The device is equipped with a reed sensor, which can be used to detect the status of the door and window. Through the built-in wireless module, it can achieve wireless alarm and other functions.

The reed switch is on (conducting) within the magnetic range, and is off (nonconducting) when it's out of the magnetic range. The module can detect the closing and opening signals so that the state of the door window status can be detected.

Example Applications

- Doors and windows

- Production line tracking

- Objects to be detected open/close status

Please note: Actual range may vary depending on environment. Battery life is determined by sensor reporting frequency and other variables

 

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  • OVERVIEW
  • Detail
  • TECHNICAL

Features, Benefits & Functions

  • LoRaWANTM, Class A
  • Frequency Hopping Spread Spectrum (FHSS)
  • Improved interference immunity
  • Improved power management for longer battery life
  • Encrypt-RF™ Security (Diffie-Hellman Key Exchange

The device is equipped with a reed sensor, which can be used to detect the status of the door and window. Through the built-in wireless module, it can achieve wireless alarm and other functions.

The reed switch is on (conducting) within the magnetic range, and is off (nonconducting) when it's out of the magnetic range. The module can detect the closing and opening signals so that the state of the door window status can be detected.

 

Example Applications

- Doors and windows

- Production line tracking

- Objects to be detected open/close status

 

Please note: Actual range may vary depending on environment. Battery life is determined by sensor reporting frequency and other variables

Technical

Input Power2 x 3.6V ER14505 AA lithium batteries
 (3.6V2400mah/section 
Sleeping Mode20uA
Wake up Mode6.3mA@3.3V
Receiving Current (max)11mA @3.3V
Transmitting Current (max)120mA/3.3V
Battery Voltage Measurement 
Accuracy±0.1V
Low Voltage Threshold3.2V
  
* Specific electrical characteristics may vary depending on the power supply voltage. 
  
Reed Switch Sensor 
Sensor Case SizeL:43mm*W:13mm*H:12mm
Sensor CharacteristicInside the magnetic range, it is at on state (conducting). When
 out of the magnetic range, it is at off state (non-conducting).
 Sensing distance inside magnetic range is 2cm.
Reed solderabilityGood solderability
External Cable Length1 meter
  
Frequency 
TX Power19dBm 1dBm
Rx Sensitivity-136dBm (LoRa Spreading Factor=12, Bit Rate=293bps )
 -121dBm (FSK,Frequency deviation=5kHz, Bit Rate=1.2kbps)
Antenna TypeBuild-in antenna
Communication RangeUp to 10 km, the actual transmission distance depends on the environment.
Data Transfer Rate0.3kbps~50kbps
Spread TechniqueLoRa/FSK
Available FrequencyEU863-870, US902-928, AU915-928, KR920-923, AS923, CN470-510
 Configured before shipment
  
Physical 
Dimension Main Part:L: 112mm*W: 65mm*H: 32mm
Weight141g
Environment Temperature Range-20oC 55oC
Environment Humidity Range<90% RH (No condensation)
Storage Temperature-40oC 85oC