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Sku: R312A-AS923
AUD$94.74
Availability:
Many In Stock
Sku: R312A-AS923
LoRawan
Netvox
NETVOX LoRaWan Wireless Emergency Button, R312A is a wireless emergency button that detects after pressing the emergency button and sends an alarm message to the gateway. It uses the SX1276 wireless communication module.
Example Applications
The device could be used as a personal alarm system, as well as fire alarm etc. When the emergency button is pressed, the IO port of the module detects a low level, and when the emergency button is released, the IO port of the module detects a high level.
Features of NETVOX Sensors
- LoRaWANTM 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*:
- Please refer to web: http://www.netvox.com.tw/electric/electric_calc.html
- At this website, users can find battery life time for varier models at different
- 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
* Actual range may vary depending on environment.
* Battery life is determined by sensor reporting frequency and other variables
Technical Specifications
| Input Power | 2pcs 3.0V CR2450 button battery |
|---|---|
| Working Voltage | DC 2.4V～3V |
| Standby Current | 13uA/3.0V |
| Tx Current | 120mA/3.0V |
| Rx Current | 11mA @3.0V |
| Voltage Threshold | 2.4V |
| 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 | Build-in antenna |
| 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 15mm |
|
Weight |
45g |
|
Operating Temperature |
-20℃ ～ 55℃ |
|
Environment Humidity Range |
<90% RH (No condensation) |
|
Storage Temperature |
-40℃ ～ 85℃ |
Datasheet:
R312A.pdf
User manual:
R312A_UG.pdf
Battery Calculator:
Netvox LoRa Command Resolver:
LoRa Command Resolver
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