Portable EW OTU in a backpack format for protection against FPV drones and UAVs
Defense Technologies of Ukraine offers portable electronic warfare (EW) means OTU, developed to protect against FPV drones, kamikaze drones and electronic warfare effects.
Portable EW in a backpack format — are mobile solutions for military units, technical specialists and teams that need a compact, autonomous and easy-to-transport means of protection against unmanned aerial vehicles.
Such systems are used in field conditions, during special tasks, personnel movement, work of mobile groups and maintenance of equipment in high-risk environments.
What is a portable EW backpack
A portable EW backpack — is a specialized mobile electronic warfare system designed to suppress the control and navigation channels of unmanned aerial vehicles.
The main advantage of this format is mobility. The system can be carried on the back, quickly moved with a unit and used where compactness, autonomy and responsiveness are important.
Portable EW OTU combine a convenient form factor, stable operation, compatibility with antennas and a design adapted for field use.
EW backpack JammTek F 4-240
JammTek F 4-240 — a mobile electronic warfare system in a backpack format, designed to protect against FPV drones and UAVs.
The model operates in the frequency range 710–1040 MHz and has power up to 240 W. The system provides stable signal suppression and can operate up to 45 minutes depending on operating conditions.
Main features of JammTek F 4-240:
- mobile backpack format;
- power up to 240 W;
- operation in the 710–1040 MHz range;
- compatibility with different types of antennas;
- compact design;
- autonomous operation up to 45 minutes;
- ease of transport in field conditions.
JammTek F 4-240 is suitable for tasks where mobility, rapid movement and protection against FPV drones in field conditions are important.
EW backpack JammTek F 4-240L
JammTek F 4-240L — a portable EW system designed to protect against FPV drones and unmanned aerial vehicles in the 370–700 MHz range.
The model has power up to 240 W, is equipped with omnidirectional antennas and provides autonomous operation up to 45 minutes.
Main advantages of JammTek F 4-240L:
- mobile format for field use;
- operation in the 370–700 MHz range;
- power up to 240 W;
- omnidirectional antennas;
- autonomy up to 45 minutes;
- compactness and ease of transport;
- ventilation system for stable equipment operation.
Thanks to the ventilation system, the EW backpack JammTek F 4-240L does not overheat during prolonged use and maintains stable operation under increased load.
EW backpack JammTek VARTA
JammTek VARTA — a portable electronic warfare system in a backpack form-factor, designed to suppress UAV control and navigation channels.
The system operates in the 2.4 GHz and 5.8 GHz bands with a total power of 240 W. This format allows the device to be used as a mobile protection tool where rapid deployment and autonomous operation are required.
Main characteristics of JammTek VARTA:
- portable backpack format;
- operation in the 2.4 and 5.8 GHz bands;
- total power 240 W;
- designed to suppress UAV control and navigation channels;
- ease of transport;
- use in field conditions.
JammTek VARTA is aimed at situations where a combination of mobility, power and protection against unmanned aerial vehicles is important.
Who are OTU portable EW systems for
Portable EW OTU can be used by military units, mobile groups, technical specialists and teams operating in areas with elevated risk of UAV use.
Such systems are relevant for:
- protection of personnel;
- protection of military and specialized equipment;
- work of mobile groups;
- use in field conditions;
- support of technical tasks;
- reduction of risks from FPV drones and kamikaze drones.
The portable format allows EW to be used where fixed solutions are less convenient or require more time to deploy.
Advantages of portable EW in a backpack format
Portable EW backpacks OTU combine mobility, autonomy and technical efficiency.
Main advantages:
- easy transport;
- compact form factor;
- autonomous operation;
- ability to use in field conditions;
- protection against FPV drones and UAVs;
- compatibility with antenna solutions;
- quick readiness for operation;
- adaptation to the tasks of mobile units.
It is precisely the backpack format that makes these systems practical for use where speed of movement, flexibility and equipment reliability are important.

Технічне обслуговування та діагностика HMMWV. Автомобілі HMMWV, також відомі як Humvee або Хамві, використовуються для транспортних, тактичних і спеціалізованих завдань. Бездоріжжя, пил, волога, перепади температур і підвищене навантаження впливають на стан основних вузлів техніки.

Defense Technologies of Ukraine is an enterprise specializing in technical maintenance, diagnostics, repair, and modernization of military, wheeled, and specialized equipment. The company has the necessary material and technical facilities, professional equipment, and qualified specialists to perform a full cycle of work: from initial diagnostics to major repair of individual units, assemblies, and technical systems.

Modern FPV drones and unmanned aerial vehicles require stable and reliable power. Battery quality directly affects flight time, electronic system stability, and overall mission performance.
Defense Technologies of Ukraine specializes in manufacturing batteries for FPV drones and various types of UAVs. We use high-quality components, proven cells, and modern assembly techniques to ensure reliability and performance.