Netline Communications Technologies (NCT) Ltd. launched a new, extremely small and accurate, low power portable jamming system, the C-Guard HHJ, at Eurosatory, Paris. The system prevents remote IED detonation while minimizing collateral interference.

Netline has developed a breakthrough technology - miniaturized jamming exciters. This new technology has enabled the creation of extremely small, lightweight, accurate jammers, such as the C-Guard HHJ and the PJP - Portable Jammer Pack that will also be highlighted at the show.

C-Guard HHJ

The company's C-Guard HHJ portable modular jamming system - based on this advance - is a handheld cellular and RF jamming system. Especially useful in urban scenarios where collateral jamming interference can be problematic, the C-Guard HHJ prevents remote IED detonation without flooding the area with high power jamming signals.

As a carry forward solution for EOD and combat personnel - including Special Forces, bomb squads, and SWAT teams - the lightweight C-Guard HHJ can be easily transported, either connected to a soldier's vest with clips, carried in a bomb disposal pouch, or installed on a robot - protecting human life and safeguarding forces in the field. The system blocks numerous cellular frequency bands, providing maximum total output of 6 W combined through a single antenna.

PJP- Portable Jammer Pack

Also based on the miniaturized jamming exciter technology, the PJP (Portable Jammer Pack) is a small, lightweight and low power jammer for indoor applications, designed for use in urban warfare & low intensity conflicts, EOD scenarios with robots, and robot-borne carry forward solutions. The toss-enabled solution minimizes collateral interference and provides efficient stand-in jamming. It has an omni-directional antenna and 5 frequency bands within 25-2500 MHz.

C-Guard ManPack

The C-Guard ManPack is a lightweight IED Man-Portable jamming system intended for hand/robot carry forward, backpack, or vehicle installed operations. The ManPack is designed for ground troops, SWAT teams, and bomb squads operating under risk of encountering remote control improvised explosive devices (RC-IEDs) in difficult terrain such as sand, forests, and urban environments. It is designed to block wireless communication and prevent remote activation of roadside bombs and IEDs. With customizable configuration, the C-Guard ManPack can block any frequency band required. Designed for rapid deployment and continuous portable operation, it is fully weatherproofed and combat ready, with a robust mechanical design, long mission-life rechargeable batteries, and comes with radiation protection accessories. It can be installed in a vehicle and powered by the vehicle's battery. Fully programmable, the jammer continuously tests itself and provides real-time reports.

C-Guard Slider

The C-Guard Slider is a modular IED jamming system that enables extreme EW adaptability in the war against terror. Based on open and flexible architecture, each module is a self-contained single band jammer. Easily programmed and upgradeable, the Slider allows very low MTTR and minimal downtime during repairs. Each module can function independently. The Remote Control Unit (RCU) can be installed next to the driver. Designed to withstand harsh conditions, the C-Guard Slider supports multiple jamming schemes, mission profiles, and operating modes.


The C-Guard TXP ECM is a lightweight, fully programmable, portable jamming system, designed for both military and homeland security markets. It jams all wireless communication devices, preventing remote activation of IEDs and thwarting unwanted wireless communications. Easily transported, it is housed in a ruggedized trolley-style pelican case which can be wheeled by one person or installed quickly in a vehicle. Supporting troops on the battlefield and anti-terror missions and bomb squads during EOD neutralizations, it can block any frequency band, continuously tests itself, and provides real-time reports. Available with different power levels, it can be connected to an external power source, a car battery, or use rechargeable batteries.

JET - Jamming Effectiveness Tester

Netline is one of the few companies in the world offering this type of jamming coverage tester. The Jamming Effectiveness Tester (JET) is a simple device that provides real-time indication of jamming coverage of all types of jamming systems - including sophisticated or legacy jammers, active or reactive jammers, in all frequency bands. The tester enables field personnel to know with certainty whether or not their jammer is performing and protecting the forces.  It also provides real-time indications regarding the maximum distances between vehicles in convoys that will ensure their staying within the protective jamming bubble.  

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