Smart Button

A lightweight, portable LoRa device powered by replaceable AAA batteries which can be programmed for a variety of applications, anywhere from:

  • ⚪ Restaurant/Cinema waiter call button
  • ⚪ Dedicated SOS button in a factory/work-site
  • ⚪ More…
RendeRex LoRa Badge Tracker IoT Device

Lightweight, Portable

Thanks to its small form-factor and light weight, the Smart Button can be carried in a pocket, mounted to a surface or relocated at any time.

Replaceable Batteries

Powered by 2x standard AAA batteries, they not only provide excellent battery life but this allows for the versatility of replacing them at any time, any place. At 144 clicks/reports per day, the battery is estimated to last 5 months.


The Smart Button can be used at a restaurant, cinema, internet café as an attention call to a waiter/waitress, it can be mounted on walls in work sites (factories, construction areas, etc.) as an SOS button, and more…

Mounted Anywhere

Can easily be mounted onto a flat surface or a wall to form a permanent button with many functions.

Solution Overview

The Smart Button is a simple and versatile device which can be used in various applications such as an emergency SOS button and restaurant-table call systems.

When the button is pressed, the device sends a payload to the LoRa gateway which then relays the information to the server and then to the end devices.

Techical Specifications

LoRaWAN Module Semtech SX1276
Supported Frequency 868 MHz
LoRaWAN Protocol Class A LoRaWAN 1.0.3
Activation Method OTAA
Encryption AES128
Battery Type 2x AAA Lithium Batteries
Battery Capacity 2400 mAh (1200 mAh per cell)
Average Current Consumption (Sleep Mode) 13 µA
Average Current Consumption (Active Mode) 17 mA
Battery Life 5.5 months @ 144 button presses a day, 3 years @ 10 button presses a day
Operating Temperature -10 – 60 °C
Humidity 20 – 80 % RH (non-condensing)
Enclosure Material Thermoset-Plastic
Dimensions 66mm x 66mm x 17.7mm
Weight 37g (excluding battery)
Ingress Protection Rating IP43

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