Logo  
 中文    

   

  • Home
  • R309-Wireless Wearable Emergency Button with Inactivity Detection

Image

Click on above image to view full picture

R309-Wireless Wearable Emergency Button with Inactivity Detection

   

R309 is a wireless emergency button alarm device, which can realize the wireless alarm function together with other devices through the buttons on the device. At the same time, the device has built-in vibration sensors to further improve the alarm system.

Be the first to review this product

R309 is a wireless emergency button alarm device, which can realize the wireless alarm function together with other devices through the buttons on the device. At the same time, the device has built-in vibration sensors to further improve the alarm system.

• Adopt SX1262 wireless communication module
• 2 x CR2032 batteries in parallel power supply
• Emergency button alarm detection
• Built in vibration sensor
• It is light in size and can be worn with wristband or lanyard
• Compatible with LoRaWAN™ Class A
• 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

Electric:

Power Supply

2 x CR2032 button batteries

Transmitting Current (max)

120mA /3.0V

Receiving Current (max)

11mA/ 3.0V

Battery Measurement Accuracy

± 0.1V

Vibration Sensor Type

Ball type omnidirectional signal trigger switch

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:
Dimension

Lanyard style: 48mm x 55.5mm x 18.2mm
Wristband style: 48mm x 55.5mm x 19.8mm
Environment Temperature Range

-20℃ to 55℃
Storage Temperature Range

-40℃ to 85℃

Environment Humidity Range

<90%RH (No condensation)