R311CA – Wireless dry contact sensor 2 inputs – Netvox | DistrIoT
Netvox
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R311CA – Wireless dry contact sensor 2 inputs – Netvox

Capteur R311CA Netvox LoRaWAN à 2 entrées contact sec. Faible consommation, installation facile, portée jusqu'à 10 km, compatible plateformes tierces.

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Description détaillée

R311CA – Wireless dry contact sensor 2 inputs – Netvox

General Description

The Netvox R311CA is a wireless sensor with two dry contact inputs, LoRaWAN Class A compliant. It allows the detection of open or closed circuit states via external dry contacts, such as switches, buttons or relays. Thanks to its LoRaWAN connectivity, the R311CA offers an extended communication range of up to 10 km in open field, facilitating remote monitoring in various industrial and residential environments.

Targeted Applications

  • Building automation and smart homes
  • Security and alarm systems
  • Industrial equipment monitoring
  • Access control and door/window opening detection
  • Integration into SCADA systems

Highlights

  • Two dry contact inputs for flexible monitoring
  • LoRaWAN Class A compatibility with FHSS modulation for improved interference immunity
  • Encrypt-RF™ security with Diffie-Hellman key exchange and AES-128 CBC encryption
  • Communication range up to 10 km (depending on environment)
  • Low power consumption for extended battery life
  • Remote configuration via third-party platforms (Actility, TTN, MyDevices/Cayenne)

Technical Specifications

Characteristic Value
Protocol LoRaWAN v1.0.3 Class A
Available frequencies EU863-870, US902-928, AU915-928, KR920-923, AS923, CN470-510
Transmit power 19 dBm ±1 dBm
Reception sensitivity -136 dBm (LoRa, SF=12, 293 bps), -121 dBm (FSK, 1.2 kbps)
Communication range Up to 10 km (depending on the environment)
Food 2 x CR2450 3V button batteries
Standby consumption 10 µA @ 3.0V
Transmission current (max) 120 mA @ 3.0V
Receiving current (max) 11 mA @ 3.0V
Battery voltage measurement accuracy ±0.1 V
Dimensions 57 mm x 35 mm x 15.2 mm
Weight 48.9 g
Operating temperature -20°C to +55°C
Ambient humidity < 90% RH (non-condensing)
Storage temperature -40°C to +85°C

Interfaces and Connectors

  • 2 dry contact inputs via external wires (UL2468 28AWG, length 1000 mm ±5 mm)
  • Integrated antenna for LoRaWAN communication
  • LEDs for status and configuration indication

Pack Contents

  • 1 x R311CA Wireless Dry Contact Sensor
  • 2 x CR2450 3V button batteries
  • 1 x Quick Installation Guide