Netvox R311CA – Wireless Dry Contact Sensor
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.
- Estimated Delivery : Up to 4 business days
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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.
• 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:
| Â Input Power | Â 2pcs 3.0V CR2450 button battery |
|  Working Voltage |  DC 2.4V～3.0V |
| Â Standby Current | Â 10uA /3.0V |
| Â Transmitting Current (max) | Â 120mA / 3.0V |
| Â Receiving Current (max) | Â 11mA / 3.0V |
|  Battery Voltage Measurement Accuracy |  ±0.1V |
| Â Wire Material | Â UL2468 28AWG |
|  Wire Length |  1000mm（±5mm） |
Frequency:
|
Frequency Range |
863MHz-928MHz 470MHz-510MHz |
|
TX Power |
US915 20dbmï¼› |
|
Receiving Sensitivity |
-136dBm（LoRa，Spreading Factor=12，Bit Rate=293bps )； |
|
Antenna Type |
Built-in antenna |
|
Communication Distance |
Up to 10 km |
|
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, (Note: The frequency band is optional and needs to be configured before shipment) |
Physical:
| Â Main Body Dimension | Â 57mm x 35mm x 15.2mm |
| Â Weight | Â 48.9 g |
|  Operating Temperature |  -20℃ ～ 55℃ |
| Â Environment Humidity Range | Â <90% RH (No condensation) |
|  Storage Temperature |  -40℃ ～ 85℃ |
| Brand | Netvox |
|---|
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