LoRa Alarm Unit



What it Does?

When the Alarm Unit is triggered by a LoRa downlink message, it performs the following functions:

  • Configurable Alarm is started (LED and Buzzer behavior can be configured)
  • The LED Button can be presses to stop the Alarm locally on the Device
  • When the Alarm is stopped, a LoRa uplink message is sent

Key Features

  • Device configurable with OTA Commands over LoRa
  • Multi-color LEDs (RED/YELLOW/GREEN) to indicate Alerts
  • Buzzer Siren on Alerts received
  • LED Button to manually stop the Alarm
  • Regular Heartbeat via LoRa to indicate Connectivity Status
  • Class A Device with Secure Data Transmission
  • Available with Red Lens (MTC-AU01, MTC-AU02) and White Lens (MTC-AU03, MTC-AU04)
  • Power run (MTC-AU01, MTC-AU03) or optionally with battery (MTC-AU02, MTC-AU04)

Product Datasheet

  • Model No: MTC-AU01 / MTC-AU02 / MTC-AU03 / MTC-AU04
  • Enclosure Size: 95 x 95 x 55 mm
  • Net Weight: 150 g
  • Ingress Protection: IP30 / IP67
  • Operating Temperature: -18°C to + 55°C
  • Voltage: 100 – 240V AC / 3.3V DC, 1A
    (MTC-AU01, MTC-AU03) or 3V (2 x AA-Alkaline Battery) (MTC-AU02, MTC-AU04)
  • LoRa Frequency:
    • EU863-870 (CE-Certified)
    • IN865-867 (ETA-Certified)
    • US902-928
    • AU915-928
    • AS923-1, -2, -3, -4
    • KR920-923
  • SF Supported: 7 – 12
  • OTAA and ADR: Compliant
  • RF Output: 14 dBm

Usage and Integration


LoRa Alarm Unit can be used either independently or with our other products like LoRa Panic Button with Confirmation, Smart CO2 LoRa Sensor or LoRa Air Quality Sensor to siren Alarms and Alerts.

  • Up to 4 different Alarm-Types can be configured on the device
  • Changeable LED Color based on Alarm-Type
  • Configurable Behavior (LED: ON, OFF, Flash / Buzzer: ON, OFF, Beep)

Application Areas

  • Industrial Sector
  • Police, Ambulance and Fire alarm systems
  • Villas / Apartments
  • Emergency Solutions in Hospitals
  • Offices
  • Museums
  • Smart Home-Automation
  • Theft, Shoplifting and Violence
  • SPA, Sauna, GYM and Front-Office
  • University Campus
  • Senior Residential Security and Safety

Key Customers


What is required for this Product to be functional or is it complete itself?

The device needs a LoRa Gateway and LoRaWAN network. The number of required
gateways depends on the Location and covered area over which these devices are installed.

How many devices can be installed and connected with the Gateway?

Over 1000 devices in parallel can be easily connected with a single gateway.

Does the device run on Power or Batteries?

The device runs on power and optionally on battery

Does this product have any certifications and approvals?

The product is CE, RoHS, REACH, WEEE certified in Germany and ETA approved by the
Wireless Planning Commission, Govt of India.