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R312A -Wireless Emergency Button

   

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.

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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)