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Every smart IoT system, whether it is installed in residential, industrial, commercial areas, agricultural fields, or mountains, will utilize a compilation of various sensors to monitor the crucial parameters related to each industry.

When it comes to security systems, they all involve various different types of detectors that function to protect the area of interest from a number of different potential threats. In this direction IoT and WSN sensors are becoming increasingly popular.

To meet the market’s IoT demand and satisfy each clients specialised needs, Sigint developed its own modular, agile, and highly customised IoT ecosystem, dubbed ARGUS.

For the security industry, Sigint is currently developing MULTISENSE module, a passive RF monitoring sensor for jamming sensing.


MULTISENSE Jamming Sensing Module

The MULTISENSE sensor is designed to detect and report jamming attacks on Wi-Fi 802.11, cellular networks (GSM/2G, 3G, 4G, 5G), GNSS systems (GPS, GLONASS, GALILEO, BEIDU) and other wireless communication systems of interest, providing crucial and accurate early warning for optimized defense against these threats.

MULTISENSE modules (i) provide an effective, highly adjustable, and cost-efficient solution for this task, (ii) include sophisticated algorithms that minimize false positives, and finally (iii) can interconnect within a collaborative sensor network and inject the alarms in a Security Operation Centre (SOC) platform.

By connecting MULTISENSE modules in a SOC, a multi-domain wireless threat detection sensing is achieved, covering typical communication systems of interest, for the purpose of collecting and managing complex multi-domain wireless threats.


Such threats include cellular threats, Wi-Fi threats, and threats arising from the presence of unknown drones.

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A critical aspect of developing an effective jamming detection system lies in identifying and catering to the specific frequency bands that could potentially be jammed.


These include commonly used communication bands such as GNSS systems, LTE, Wi-Fi, and the emerging 5G networks. Each of these bands serves different purposes, and jamming any of them could disrupt crucial communication channels.

Frequency Band
900-928 Mhz
Cellular, Wi-Fi, Drones
1145-1615 Mhz
GNSS, Drones
2400-2500 Mhz:
Wi-Fi, Drones
Cellular/Wi-Fi, Drones
Micro Chip

MULTISENSE Specifications

The MULTISENSE sensor operates by connecting the detector to an antenna that captures signals. When the detector receives a signal, it outputs an analogue voltage proportional to the power level of the transmission. If this voltage exceeds a certain threshold, the signal is further analysed by a sophisticated algorithm within a microcontroller. This algorithm not only identifies whether the signal constitutes a jamming attempt but also minimizes false positives, ensuring high reliability.

Each sensor module has multiple submodules that handle different bands depending on the needs of the application.

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