Automotive EW Jammer "Grets" 4M from BlueBird is a powerful mobile electronic warfare system designed for effective suppression of FPV drone communications in the frequency range of 470-530 MHz and 700-1050 MHz. The device is equipped with several separate jamming bands: 470-530 MHz, 700-820 MHz, 800-920 MHz, and 900-1050 MHz, ensuring simultaneous blocking of the most common FPV transmitters and reliable protection of objects from enemy UAVs.
The EW jammer's design combines compactness and reliability: weight without battery — 7 kg, body dimensions — 370x295x134 mm, total length when assembled — 830/630 mm, antenna length — 600/400 mm. The operating temperature range is from -30°C to +50°C, the body is made of heat-dissipating materials and has a built-in cooling system to prevent overheating during prolonged operation. The dust and moisture protection class is IP54, allowing the device to be operated in challenging weather conditions.
Power is supplied from 220 V or 28 V, which adds flexibility when deploying on stationary and mobile platforms. The configuration includes 4 antennas and a bracket for mounting them on a vehicle or mast. The total system power is (50+50+50+50) W, power consumption — (150+150+150+150) W. The effective operating range is from 70 m to 400 m, depending on the distance to the enemy pilot, FPV drone frequency, and external conditions.
Technical Specifications:
| Parameter Name | Value |
|---|---|
| Frequency Range | 470-530, 700-1050 MHz |
| Power Supply | 220 V or 28 V |
| Number of Antennas | 4 pcs. |
| Bracket for mounting 4 antennas on a vehicle or mast | 1 pc. |
| Connecting cables for each band | 4 pcs. x 2 m. |
| Body Size | 370x295x134 mm |
| Total length when assembled | 830/630 mm |
| Antenna Length | 600/400 mm |
| Total Power | (50+50+50+50) W |
| Power Consumption | (150+150+150+150) W |
| Effective Operating Distance | from 70 m to 400 m, depending on the distance to the enemy pilot, FPV drone frequency, and other factors |
| EW Jammer Weight without battery | 7 kg |
Automotive EW Jammer "Grets" 4M Package Contents:
| 1. EW Jammer device. |
| 2. Four antennas. |
| 3. 220 V power cable. |
| 4. Bracket for mounting 4 antennas on a vehicle or mast. |
| 5. Antenna unit patch extension cable for each band (4 pcs. x 2 m) |
| 6. User Manual: Grets 4M. |
Optional Components:
| Parameter Name | Value |
|---|---|
| Springs for antenna mounting on a vehicle | 4 pcs. |
| Remote control | 1 pc. |
| Additional "Quadrifilar" antennas | 4 pcs. |
The price of the device with quadrifilar antennas when operating from 220 V is 158000 UAH. The version with collinear antennas costs 151000 UAH. This pricing policy makes the Automotive EW Jammer "Grets" 4M an optimal solution for protecting military facilities, critical infrastructure, and personnel from threats associated with the use of enemy FPV drones.
Key advantages: mobility, quick deployment on a vehicle, wide operating frequency range, robust housing with a cooling system, and IP54 protection class for operation in harsh conditions. Flexible power options (220 V or 28 V), the presence of a mounting bracket, and a complete set with 2 m cables make the system ready for operational use.
Other important information: the unit provides simultaneous operation in the 470-530 MHz, 700-820 MHz, 800-920 MHz, and 900-1050 MHz bands, allowing suppression of signals from various types of FPV transmitters and guaranteeing a wide protection zone with a radius of 70 to 400 meters depending on external conditions.
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