R311CA - Wireless 2-Input Dry Contact Interface

By Netvox Technology Co., Ltd

Netvox wireless dry contact sensors can be used to detect contact between two wired contact points. It can realize wireless alarm and other functions through built-in wireless module, and is compatible with LoRaWAN protocol. It can be easily networked with other related devices. The R311CA is durable and ensures optimum use and is a low power consumption device. Due to their small size, they can be installed anywhere, they are wireless, so they take up very little space.


  • Dimensions: 35 x 57 x 15 mm
  • Temperature: -20°C to 55°C