900-1050 MHz Dome-Type EW Antenna – Quadrifilar from BlueBird — a professional engineering solution for electronic warfare (EW) systems. This dome antenna creates an "electromagnetic dome" effect, covering the space from above and preventing aerial targets, particularly enemy unmanned aerial vehicles, from bypassing the defense. The model is specifically designed for reliable suppression and counteraction of airborne threats, where comprehensive antenna action, compact design, and ease of integration into various platforms are crucial.
The antenna features circular polarization, ensuring correct operation with both horizontally and vertically polarized signals, increasing interception probability and suppression effectiveness. Although quadrifilar antennas sometimes have a slightly shorter suppression range compared to collinear counterparts, this model compensates with comprehensive coverage, increased resistance to interference from surrounding objects (e.g., tree branches), and compact dimensions for installation on stationary and mobile platforms.
Description and Purpose
The antenna is recommended for integration into EW systems where reliability, ease of installation, and versatility of application are required. The product withstands power input up to 50 W and is designed for operation in harsh temperature conditions, making it suitable for combat and special applications. The standard 50 Ohm input impedance ensures compatibility with most amplifiers and filters, and the N male connector provides a reliable RF connection.
Technical Specifications
Antenna Technical Specifications
| Parameter | Value |
|---|---|
| Frequency | 900-1050 MHz |
| Gain | 2 dBi |
| Polarization | Circular |
| Bandwidth | 900-1050 MHz |
| Input Impedance | 50 Ohm |
| Power | 50 W |
| Connector | N male |
| Operating Temperature | -40℃~+85℃ |
| VSWR | 900 – 1.4 / 1050 – 1.3 |
| Dimensions | 230 x 220 x 220 mm |
| Weight | 800 g |
Package Contents
- Dome antenna for 900-1050 MHz frequency – 1 pc.
The BlueBird antenna combines several key advantages: circular polarization for versatile operation with various signal types, compact dimensions of 230 x 220 x 220 mm, and a low weight of 800 g for easy mounting on various structures. The VSWR values (900 – 1.4 / 1050 – 1.3) guarantee acceptable matching in the 900-1050 MHz operating range, which reduces signal reflection losses and increases the effectiveness of the EW system.
The N male connector is compatible with standard coaxial cables and RF components, and the 50 Ohm input impedance ensures easy integration with existing amplifiers, selectors, and filters. Withstanding power up to 50 W, the antenna is suitable for use in medium and high output power systems.
Thanks to its dome design, the antenna provides comprehensive (omnidirectional) coverage from above, which is particularly effective in suppressing aerial threats, including quadcopters and other UAVs. The antenna is adapted for operation in temperatures from -40℃ to +85℃, making it a reliable component for use in field, mobile, and stationary EW systems.
By choosing this antenna from the "EW > Quadrifilar Antennas" category, you get a proven solution for building reliable electronic countermeasures systems against drones and other aerial threats. The product is recommended for use in stationary and mobile EW systems where compactness, comprehensive coverage, and operational reliability in challenging conditions are important.
Other products in this category here Quadrifilar Antennas
Other products in this category here Quadrifilar Antennas
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