Product

The R312A is an emergency button switch device that detects the closing or opening signal of the emergency button switch and sends an alarm signal to the gateway for processing. It uses the SX1276 wireless communication module.

• LoRaWAN™ Class A compatible
• 2*3.0V CR2450 button battery power supply
• Emergency button status detection
• Comes with key ring for easy fixing and carrying
• Apply SX1276 wireless communication module
• Frequency Hopping Spread Spectrum (FHSS)
• Configuration parameters can be configured through a third-party software platform
• Applicable to third-party platforms: Actility / ThingPark, TTN, MyDevices / Cayenne
• Low power consumption and long battery life Improved

Electric:

Power Supply	2 sections 3.0V CR2450 button batteries
Operation Voltage	DC 2.3V to 3.0V
Standby Current	13uA/3.0V
Wakeup Current	7.02mA (Typical value) Wakeup current range 0.8mA-20 mA * When not transmitting /receiving LoRa data)
Transmitting Current (max)	120mA / 3.0V
Receiving Current (max)	11mA/ 3.0V
Battery Measurement Accuracy	± 0.1V
Low Voltage Threshold	2.4V

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	LoRa: 0.3kbps～50kbps FSK: 1.2kbps～300kbps
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	57 mm x 35 mm x 15.2 mm
Host body Weight	45 g
Environment Temperature Range	-20℃ to 55℃
Storage Temperature Range	-40℃ to 85℃
Environment Humidity Range	<90%RH (No condensation)

R312AUser manual
R312ADatasheet

R312A -Wireless Emergency Button