EW Jammer Pysets 289-391 50W with Integrated Battery + Quadrifilar Antenna

Brand: ZAVADA. Product type: EW Jammers — Trench EW Jammers. This solution is designed for effective radio suppression of drones and other unmanned aerial vehicles in the 289–391 MHz frequency range.

Description and Purpose

The Pysets 289-391 50W EW jammer from ZAVADA combines mobility, autonomy, and high power. The system is designed for rapid deployment by security services, military units, and private organizations that require a reliable radio suppression tool on the battlefield or for object protection. Thanks to its modular design, the device easily adapts to various operating scenarios — from stationary placement to vehicle-mounted use with external power.

Technical Specifications

• Frequency Range: 289–391 MHz.
• POWERFUL modules: 40–50 W per band.
• SUPPRESSION RADIUS: up to 200 m when the drone operator is up to 4 km away.
• INTERNAL BATTERY: built-in 346 Wh battery ensures autonomous operation of the device.
• ANTENNAS: dome protection is achieved using proprietary quadrifilar antennas for uniform coverage.
• MODULARITY: quick replacement of damaged modules or addition of new ones to expand capabilities.
• COOLING: reliable passive cooling system, eliminating the need for fan cooling.

Package Contents

• Pysets 289-391 50W EW jammer with integrated 346 Wh battery.
• Built-in 346 Wh battery.
• Remote buttons: 2 pcs.
• Remote controls: 2 pcs.

Warranty

Warranty period: 6 months. Mechanical damage and powering on the device without an antenna installed are not covered by the warranty.

Additional Options and Accessories

• Production of adapters and extension cables: antenna extension cables, adapters for powering from other batteries, car terminal adapters, car charger adapters, etc.
• Car mount, car charger, fast charger.
• External battery adapter (for terminals) and ECOFLOW uninterruptible power supply unit.

This system is ideal for neutralizing UAV communication channels, ensuring stable operation thanks to powerful 40–50 W modules, modular architecture, and reliable quadrifilar antennas. The built-in 346 Wh battery provides the system with autonomy during operational deployments, and passive cooling increases durability during intensive use. The package includes everything necessary for quick commissioning: a built-in battery, two remote buttons, and two remote controls. Expanding the package with additional adapters and mounts allows the EW jammer to be operated in various conditions — from stationary points to mobile solutions on vehicles.

Designed for use by security forces, military units, and private organizations that require a mobile, powerful, and easy-to-maintain radio suppression device with a convenient modular design.

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