N-R311CA
LoRAWAN Dry Contact Sensor. 2pcs 3.0V CR2450 button battery
- LoRaWAN Class A compatible
- Frequency Hopping Spread Spectrum (FHSS)
- Improved interference immunity
- Improved power management for longer battery life
Product Specification
| 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； AS923 16dbm； AU915 20dbm； CN470 19.15dbm； EU868 16dbm； KR920 14dbm； IN865 20dbm； |
| 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 |
| Supportable LoRaWAN Band | EU863-870, US902-928, AU915-928, KR920-923, AS923-1, AS923-2, AS923-3, IN865-867, CN470-510 |
| 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℃ |
N-R311CA 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. N-R311CA is durable and ensures optimum use and is a low power consumption device.