Logo

ccc

  • Home
  • R311CA - Wireless Dry Contact Sensors

Click on above image to view full picture

R311CA - Wireless Dry Contact Sensors

In stock
The R311CA device has a built-in reed switch sensor, and can be connected to a certain number of reed switches through external expansion. It can be used for door and window switch status detection. It can realize wireless alarm and other functions through built-in wireless module, and is compatible with LoRaWAN protocol. It can be easily networked with other related devices. The R311CA is durable and ensures optimum use and is a low power consumption device. Due to their small size, they can be installed anywhere, they are wireless, so they take up very little space.
Be the first to review this product

The R311CA device has a built-in reed switch sensor, and can be connected to a certain number of reed switches through external expansion. It can be used for door and window switch status detection. It can realize wireless alarm and other functions through built-in wireless module, and is compatible with LoRaWAN protocol. It can be easily networked with other related devices. The R311CA is durable and ensures optimum use and is a low power consumption device. Due to their small size, they can be installed anywhere, they are wireless, so they take up very little space.

• Wireless range of 10 km *1
• LoRaWAN™ Class A compatible
• Frequency Hopping Spread Spectrum (FHSS)
• Improved interference immunity
• Improved power management for longer battery life
• Encrypt-RF™ Security (Diffie-Hellman Key Exchange + AES-128 CBC for sensor data messages)
• Battery Life*2:
⁻ 5 years

 (Conditions: ambient temperature 25 °C, 20 triggers/day, txpower = 20dBm,

  LoRa spreading factor SF = 10)

• Over-the-air updates (future)
• 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

*1. Actual range may vary depending on environment.

*2. Battery life is determined by sensor reporting frequency and other variables

Electric

Input Power

2pcs 3.0V CR2450 button battery

Working Voltage

DC 2.4V~3.0V

Standby Current

10uA /3.0V

Transmitting Current (max)

120mA / 3.0V                     

Receiving Current (max)

11mA / 3.0V            

Battery Voltage Measurement Accuracy

±0.1V


Frequency

TX Power

19dBm±1dBm

Rx Sensitivity

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

Antenna Type

Build-in antenna

Communication Range

10 km (line-of-sight, 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 35mm x 14mm

Weight

48.9 g

Operating Temperature

-20℃ ~ 55℃

Environment Humidity Range

<90% RH  (No condensation)

Storage Temperature

-40℃ ~ 85℃

 

INPUT
Model


R311CA

Q :  

  A: