• A small built-in all in one monitoring controller with full functionality.
  • Easy to install, operate and maintain.
  • One-time setup device with a user-friendly interface.
  • The interface can be accessed by laptops, computer or mobile phones.
  • It is a stand-alone alarm monitoring device.
  • It can monitor devices for more than 200 meters away from the unit.
  • Instant SMS notification after the alarm.
  • Able to monitor 50 monitoring points at the same time (with expansion modules)
  • Can send SMS and Email locally and internationally.
  • Remote on/off via logic expression and SMS Commands.
  • Can save history status/event logs (XML/CSV Format)
Picobox REX sms and email notification

Easily monitor your facilities and get notified through SMS or email.

Picobox Rex is designed to provide alert status in the most convenient way-through text message and email anytime, anywhere. Instantly receive an alarm updates when something happened to one of your equipment and therefore preventive action can be taken care of immediately. Facilities manager can now easily monitor the status of each device and equipment in real time and remotely.

A truly unique small device with full features and functionality.

Top-class compact device with high I/O expandability

Can easily expand the monitoring capabilities of REX up to 50 points by using expansion modules like DAQ. Able to monitor status, alarms and IO availability using remote PC by visual representation (dashboard) and log reports. 


Picobox REX IO expandibility
Picobox REX LED Indicator

LED Indicator

Forgot the IP you set on REX? No worries, REX has its own LED indicators that show various status and even the IP and MAC address of your device.

  • Power Status
  • Telco Status
  • Modbus Status
  • Network Status
  • IO Status
  • IP address
  • MAC address

Easy to configure User Interface

REX has an outstanding graphical user interface that shows the current status and information of devices connected to it.  The user interface is web-based, no need to install software, it is 100% open source.  The  user-friendly UI made the configuration easier to set up and maintain.

Picobox REX Low Cost

Low-cost with Full Functionality

A compact all in one device that provides a simple yet reliable monitoring system with just a very low cost of ownership. Designed to easily install, use and maintain with 24 /7 system operation.

Operating Voltage  12-24 VDC, 5W
Cellular Modem HSPA+ 900/2100 MHz, GSM / GPRS / EDGE, 850/ 900 / 1800/ 1900 MHz
Operating Humidity 0-90% non condensing
Operating Temperature 0-45 degC
Size  100 x 107 x 23 mm
Weight  140g
Network Protocol TCP/IP, HTTP, NTP, SMTP, TLS
Modbus Serial (Master)
No. of Digital Inputs 8x wet Contact
No. of Digital Outputs 2x relay outputs, contact rated at 24 VDC 1A
No. of Analog Inputs 2x analog inputs, 4-20mA, 0-5V


 REX Wiring Diagram


REX Physical Layout

Linkwise Technology is a designer, manufacturer and leading provider of smart monitoring controllers applicable in the data center, server room, facility, and different other applications and industries. Linkwise provides a comprehensive solution to every monitoring, automation and control, leak detection, and wireless communication needs, while at the same time keeping it simple and user-accessible.

Get in touch

Linkwise Technology Group of Companies