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R311LA Wireless Infrared Proximity Sensor

R311LA is able to detect the existence of the object nearby. It has an infrared proximity sensor that can detect if there is object existing within it detection range and transmits the detected data to Gateway for display via a wireless network; it uses the SX1276 wireless communication module.

  • Waterproof
  • Class
  • Frequency band
  • Power type
  • Sleep Power consumption
  • Rx Sensitivity
  • Sensor Measurement Range
  • Certification
  • Transmit Power
  • Chipset
  • Sensors

SG$ 131.37

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R311LA is able to detect the existence of the object nearby. It has an infrared proximity sensor that can detect if there is object existing within it detection range and transmits the detected data to Gateway for display via a wireless network; it uses the SX1276 wireless communication module.

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Netvox

Netvox pioneers in the development and manufacture of Wireless Sensor Network applications based on LoRaWAN and Zigbee Pro Home Automation profile open standard.  Since 2005, we have developed over 200 LoRaWAN devices and 250 Zigbee devices that are based on worldwide standards to work with existing systems.

There are more than 70 items in our LoRaWAN magnetic-mounted R718 series that comes with an IP 65/67 housing, and most of them are battery powered with long battery life.  For example, the battery life of our Temperature and Humidity Sensor for Low Temperature Environment R718A is more than 5 years based on 25℃, 15-minute report interval, 20dBm Tx power and SF=10.


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Overview

R311LA is able to detect the existence of the object nearby. It has an infrared proximity sensor that can detect if there is object existing within it detection range and transmits the detected data to Gateway for display via a wireless network; it uses the SX1276 wireless communication module.

Features

  • Applying SX1276 wireless communication module       
  • 2 sections of 3.0V CR2450 coin cell batteries in parallel       
  • Infrared proximity sensor       
  • Compatible with LoRaWANTM Class A       
  • Using frequency hopping spread spectrum technology       
  • Configure parameters through a third-party platform
  • Read data and set alarms via SMS text and email (optional)       
  • Applicable to third-party platforms: Actility / ThingPark, TTN, MyDevices /  Cayenne       
  • The product has low power consumption and supports longer battery life       
  • Note:
  • The battery life is determined by the frequency reported by the sensor and other variables, please refer to http://www.netvox.com.tw/electric/electric_calc.html.
  • On this website, users can find various types of batteries with different configurations.

Specifications for R311LA Wireless Infrared Proximity Sensor

Frequency band AS923 or AU915 or EU868 or US915
Waterproof IP30
Class Class A
Power type 2 pcs 3.0V CR2450 button batteries
Sleep Power consumption 12uA
Rx Sensitivity -136dBm
Sensor Measurement Range 10cm
Certification CE
Transmit Power 16dBm
Chipset SX1276
Sensors Infra sensor
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R311LA is able to detect the existence of the object nearby. It has an infrared proximity sensor that can detect if there is object existing within it detection range and transmits the detected data to Gateway for display via a wireless network; it uses the SX1276 wireless communication module.
Features


  • Applying SX1276 wireless communication module       
  • 2 sections of 3.0V CR2450 coin cell batteries in parallel       
  • Infrared proximity sensor       
  • Compatible with LoRaWANTM Class A       
  • Using frequency hopping spread spectrum technology       
  • Configure parameters through a third-party platform
  • Read data and set alarms via SMS text and email (optional)       
  • Applicable to third-party platforms: Actility / ThingPark, TTN, MyDevices /  

      Cayenne       

  1. The product has low power consumption and supports longer battery life       

Note: 
The battery life is determined by the frequency reported by the sensor and other variables, please refer to http://www.netvox.com.tw/electric/electric_calc.html.
On this website, users can find various types of batteries with different configurations.


Electric:

Input power supply

2 sections of 3V CR2450 coin cell batteries in parallel
(single CR2450 battery capacity 620 mAh)

Working voltage range

DC +2.4 V to 3.0V

Sleeping current

12uA / 3.0V

Emission current (max)

120mA / 3.0V

Receive current (max)

11mA / 3.0V

Battery measurement accuracy

± 0.1V

* Specific electrical characteristics will vary depending on the power supply voltage


Frequency:

Frequency range

863MHz-928MHz 470MHz-510MHz

Power output

US915   20dbm；
AS923   16dbm；
AU915   20dbm；
CN470   19.15dbm；
EU868   16dbm；
KR920   14dbm；
IN865    20dbm；

Receive 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, the actual transmission distance depends on the environment.

Data transfer rate

0.3kbps～50k bps

Modulation system mode

LoRa / FSK (Note: you can choose one of them)

Supported LoRaWAN Band

EU863-870, US902-928, AU915-928, KR920-923, AS923, CN470-510
(Note: Band optional, to be done in the factory configuration before shipment.)


Physical:

Size

57 mm x 35 mm x 15.2 mm

Weight

48.9g

Operating temperature

-20°C ～ 55°C

Ambient humidity range

<90% RH (no condense)

Storage temperature range

-40℃ ～ 85℃

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