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GSM alarm system module with antenna, labelled 1019 GSM ALARM, connected to a white cable and a small sensor probe on the side.

GSM Logger Temp & RH

Advanced NB-IoT battery logger with input for DS18B20 temperature sensor

A compact and energy-efficient temperature logger for wireless monitoring via NB-IoT. The device is designed for long battery operation with up to 10 years of battery capacity and automatically sends temperature data to the server without the need for Wi-Fi or a local network connection.

The logger can react to temperature changes and send an update when the temperature changes above the selected limit. Additionally, it sends a periodic status message, allowing for continuous monitoring of operation, battery level, and signal conditions.

Suitable for monitoring fridges, freezers, technical cupboards, stores, containers, holiday homes and other installations where stable temperature measurement and long battery life are important.

A green battery next to a grey GSM alarm box outdoors on the grass, glowing with a neon green light—likely a power supply for a monitoring system.

LongLife Technology with ULTRA Battery life

LongLife is an advanced energy solution, developed for professional and industrial installations where long operating time, stable functionality and minimal maintenance are crucial.

The concept is designed to ensure products can operate stably over long periods with very low energy consumption. Depending on the device type and application, our LongLife devices can achieve up to 10 years of operation on the supplied battery, which makes them particularly suitable for installations where access may be limited, or where service visits are to be reduced.

The LongLife platform encompasses both devices with replaceable batteries and rechargeable solutions, so that the installation can be adapted to different requirements. On models with replaceable batteries, the battery swaps quickly and easily directly in the device, which makes servicing both easy and efficient. On rechargeable devices, optimised power management ensures a long operating time between charges.

LongLife is used in several of our latest products and is aimed at solutions where long battery life, reliability and easy maintenance are key requirements.

For further information and technical clarification, we recommend that you contact our support team or your nearest dealer.

LegacyLINK – Tried and tested and stable communication protocol

LegacyLINK is our thoroughly tested communication protocol, which has been a central part of the GSMCloud platform since 2020. The protocol has been developed with a focus on Stabilne dryfowanie, simple communication and long lifespan in professional installations.

With LegacyLINK, the device sends a data packet to GSMCloud and subsequently receives a reply back. This form of communication provides a Robust and predictable data exchange, where the unit works stably in the field, while Intelligence, configuration, and management are handled centrally in the cloud.

The communication interval can typically be adapted from every 10 seconds up to 1440 minutes, depending on the needs of the individual solution. This makes LegacyLINK suitable for both monitoring, status reporting, and control tasks, where Driftssikkerhed, flexibility and High complexity are important requirements.

LegacyLINK is an important part of the foundation behind GSMCloud and is still used in many products and installations, where tried and tested technology, stable communication and Long-term operation are central elements. The protocol is particularly well-suited for solutions where a simple and well-tested communication model creates high stability and easy integration.

Relay controller module labelled '3100 Controller' connected to a glowing cloud network, illustrating IoT connectivity.

NB-IoT – Stable IoT communication for professional controls

NB-IoT is an efficient communication technology for professional IoT controls, where Low power consumption, Stable connection and reliable data transfer is crucial.

The technology is based on a Narrowband LTE standard, developed for IoT devices that need to send small amounts of data securely and efficiently over the mobile network. This makes NB-IoT particularly suitable for solutions where the device needs to operate stably in the field for a long time.

With NB-IoT, our IoT controllers get a Robust mobile connection, which is suitable for monitoring, measurement data, alarm management and control tasks – also on installations without a traditional internet connection.

An open electrical panel fixed into a concrete wall, with a blue LED wire leading out towards a futuristic city skyline under the night sky.

Product specifications

Module
Name GSM Logger Temperature
Dimensions 8,0 × 8,2 × 5,4 cm
Connectivity
Protocol LegacyLINK
Cellular NB-IOT
LTE category LTE Cat NB1 / NB2
SIM card Built-in and ready to use
Supported countries View our coverage map
Cellular Antenna u.FL connector + External antenna.
Subscription See our current subscription prices
I/O
Humidity 0-100% RH
DS18B20 Temperature Range -30ºC to +70ºC
Power
Supply voltage 3.6V
Built-in Battery ER34615 13,000mAh / 19,000mAh (Optional)

Support
Placing an order

  • 1 pc. GSM logger 1019 temperature 19Ah (IP65) with built-in antenna
  • 1 x DS18B20 sensor with 3m cable
1610 GSM Logger 1019 Temperature 19Ah (IP65)
The product can be purchased from our retailers. Find dealer