IoT Long Range Wireless Multi Channel Dry Contact Closure Transmitter

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  • NCD-PR52-18_CC
  • PR52-18_CC
IoT Long Range Wireless Multi Channel Dry Contact Closure Transmitter Our long range... more
Product information "IoT Long Range Wireless Multi Channel Dry Contact Closure Transmitter"

IoT Long Range Wireless Multi Channel Dry Contact Closure Transmitter

Our long range wireless enterprise series sensors are an easy to use and reliable start to any data aggregation application. This video will demonstrate how they work, what they do, and how to use them.


IoT Long Range Wireless Multi Channel Dry Contact Closure Transmitter

Introducing NCD’s Long Range IoT Wireless Multi Channel Dry Contact Closure Push Notification Transmitter, boasting up to a 28 Mile range using a wireless mesh networking architecture.  This IoT Wireless Multi Channel Dry Contact Closure Transmitter detects up to 7 push inputs with low latency and sends out a frame, while sleeping rest of the time to minimize power consumption. Optionally, user can also set a sleep duration which will make sure that the sensor wakes up after a certain time and sends out a frame even when no push input is detected. Additionally, it also measures 2 analog inputs. This device can be used for Push notification all inputs are optically isolated. This IoT Wireless Multi Channel Dry Contact Closure Transmitter can be powered externally as well. This has inbuilt smart power switch mode. When the external power is detected it automatically switches to the external and in case if there no external power it will keep operating on the internal power. In the data packet it also includes the system voltage if info, if this value is 1000 or higher it means its has external power.

Powered by just 2 AA batteries and an operational lifetime of 500,000 wireless transmissions, a 10 years battery life can be expected depending on environmental conditions and the data transmission interval.  Optionally, this sensor may be externally powered.

With an open communication protocol this sensor can be integrated with just about any control system or gateway.  Data can be transmitted to a PC, a Raspberry Pi, to Microsoft Azure® IoT, or Arduino. Sensor parameters and wireless transmission settings can be changed on the go using the open communication protocol providing maximum configurability depending on the intended application.

The long range, price, accuracy, battery life and security features of Wireless 7 Channel Push Notification Sensor makes it an affordable choice which exceeds the requirements for most of the industrial as well as consumer market applications.

Receiving Data Long Range IoT Wireless Multi Channel Dry Contact Closure Push Notification

This IoT Wireless Multi Channel Dry Contact Closure Transmitter device sends data periodically, based on user-preset timing intervals and on state change of the contact closure inputs.  Data transmissions include battery level, signal strength, payload, firmware version, sensor type, and device serial number.  Please see the Resources section to see detailed information on the data structure of this device.  This wireless transmitter needs a receiver.  There are many options available for receiving data from NCD transmitters.  We highly recommend using our USB Modem (available during purchase) so you can monitor this device and use our LabVIEW software for changing device settings.  Using our long-range USB wireless modem, users can expect easy operation over a virtual COM port at 115.2K baud.  Optionally, we offer a Wireless receiver that operates over ethernet.  Data from NCD sensors will appear over TCP/IP on port 2101.  Simply open a TCP/IP socket, port 2101, to the IP address of the Ethernet modem and see your data stream in to your local area network.  We take software samples seriously!  Be sure to to check out the resources section of our web site to see code samples for Raspberry Pi, Visual Studio, LabVIEW, Arduino, Python, and more.

Now Supporting Microsoft Azure® IoT

We’ve been working with Microsoft engineers to post data from our sensors to Azure®.  If you need help integrating this sensor into Azure®, please let us know and we will work with you to get you connected!

IoT Wireless Multi Channel Dry Contact Closure Transmitter



  1. Multiple Dry Contact Input Push Notification
  2. Digital Signal Monitoring
  3. Wireless Garage Door Sensor Interface
  4. Wireless Contact Closure Sensor Interface
  5.  Digital Pulse Detector

Note : In battery powered case If The contact closure inputs are left close for a long time it will drain the battery.


802.15.4 Module Wireless

900HP-S3B Industrial Wireless Mesh

Long-Range Wireless Mesh networking is our favorite of all wireless communication technologies.  This is the ONLY communications technology NCD recommends on the factory floor, operating at a safe 900MHz.  Mesh technology will hop data from one location to another to reach its intended destination, users do not need to do anything other than make sure wireless modules stay within hopping range of each other.  We use the Digi 900HP-S3B module in our products, as this is the best the industry has to offer.  With a 2 mile range between modules and up to 8 hops, it is possible to cover 16 miles of wireless territory using this technology.  Using high-gain antennas, this module is capable of communicating to a remote module up to 28 miles away.



  • Industrial Grade Sensor with µs latency
  • Sleeps when no push input detected
  • Detects up to 7 Optically Isolated Inputs in parallel
  • Can be used as Push Notification YTransmitter
  • Smart Auto Switching Between Battery and External Power
  • 2 Mile Range with On-Board Antenna
  • Superior LOS Range of up to 28 miles with High-Gain Antennas
  • Interface to Raspberry Pi, Microsoft Azure, Arduino and More
  • Example Software for Visual Studio and LabVIEW
  • Wireless Mesh Networking using DigiMesh®
  • 256 Sensor Nod e per Network
  • Open Communication Protocol for custom interfacing applications
  • Two modes of Operation
  • Configuration mode for Sensor and X-bee Settings
  • Factory Default Option using combination of hardware buttons
  • Power efficient Built-in Sleep mode
    • User Configurable Sleep duration
    • Up to 500,000 Transmissions from 2 AA Batteries
  • X-bee API mode use for reliable communication
  • Improved reliability incorporating Re try feature in case of packet loss
  • Real time battery status
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