Netvox wireless dry contact sensors can be used to detect contact between two wired contact points. It can realize wireless alarms and other functions through the built-in wireless module and is compatible with the 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.
Documentation
Data Sheet User ManualHighlighted Features
- LoRaWANTM Class A compatible
- *Frequency Hopping Spread Spectrum (FHSS)
- Improved interference immunity
- Improved power management for longer battery life
-
*Battery Life: Please refer to this link: Battery Life Indication Sheet
- 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 platforms: Actility/ThingPark, TTN, MyDevices/Cayenne
TAKE NOTE
1. The actual range may vary depending on the environment.
2. Battery life is determined by sensor reporting frequency and other variables
Specifications
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 20dbm； |
|
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:
|
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℃ |