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Netvox R311CA – Wireless Dry Contact Sensor

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Netvox wireless dry contact sensors can be used to detect contact between two wired contact points.
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.

SKU: R311CA Categories: , ,

Netvox wireless dry contact sensors can be used to detect contact between two wired contact points. 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.

• LoRaWANTM Class A compatible
• Frequency Hopping Spread Spectrum (FHSS)
• Improved interference immunity
• 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
•*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
  Wire Material   UL2468 28AWG
  Wire Length   1000mm（±5mm）

Frequency:

Frequency Range

863MHz-928MHz 470MHz-510MHz

TX Power

US915 20dbmï¼›
AS923 16dbmï¼›
AU915 20dbmï¼›
CN470 19.15dbmï¼›
EU868 16dbmï¼›
KR920 14dbmï¼›
IN865 20dbmï¼›

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

0.3kbps～50kbps

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:

  Main Body Dimension   57mm x 35mm x 15.2mm
  Weight   48.9 g
  Operating Temperature   -20℃ ～ 55℃
  Environment Humidity Range   <90% RH (No condensation)
  Storage Temperature   -40℃ ～ 85℃

 

Brand

Netvox

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