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 Direction Finding Antenna

20-6000MHz Three-layer Circular Array Vehicle-mounted Interferometer DF Antenna

ZD-DFA-20/6000M
This is a high-performance vehicle-mounted interferometer directional antenna with a 3-layer 5-element uniform circular array design, dedicated to high-precision signal direction finding in the full frequency band of 20MHz-6000MHz (divided into 20-600MHz, 600-3000MHz, 3000-6000MHz). Boasting a system direction accuracy reference value of 2°RMS and 360° omni-directional coverage, it features vertical polarization and 50Ω characteristic impedance, with a typical VSWR ≤2.5 for stable signal transmission. The antenna has tiered high gain (≥7dBi/≥10dBi/≥12dBi for different bands) and flexible output interfaces (N-50K/SMA-50K optional). With compact dimensions (≤Φ1240mm×H950mm) and light weight (≤25kg), it is perfectly adapted to vehicle-mounted platform deployment. The green finished product combines professional performance and practicality, meeting the high requirements of on-vehicle signal direction finding and detection scenarios.
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This vehicle-mounted interferometer directional antenna is a professional direction finding antennaspecially built for vehicle-mounted platforms, with a core  3-layer 5-element uniform circular arraydesign. It can achieve high-precision signal direction finding in the full frequency band of  20-6000MHz, which is divided into 20-600MHz, 600-3000MHz and 3000-6000MHz, with a system direction finding accuracy reference value of 2°RMS, meeting the high-precision requirements of professional direction finding scenarios. This  vehicle-mounted antennasupports 360° omni-directional coverage, adopts vertical polarization mode, with a characteristic impedance of 50Ω and a typical voltage standing wave ratio of ≤2.5, ensuring stable and lossless signal transmission. It achieves stepped high gain in the full frequency band of 20-6000MHz: the gain is ≥7dBi at 20-600MHz, ≥10dBi at 600-3000MHz and ≥12dBi at 3000-6000MHz, with excellent direction finding sensitivity. The product has optional N-50K or SMA-50K output interfaces with strong adaptability, dimensions of ≤Φ1240mm×H950mm and weight of ≤25kg. Its lightweight and compact design is perfectly suitable for vehicle-mounted platform deployment, and the green appearance combines practicality and durability. It is an optimal professional  direction finding antenna for vehicle-mounted signal direction finding in the 20-6000MHz frequency band.

FrequencyBands

20MHz-600MHz, 600MHz-3000MHz, 3000MHz-6000MHz

PolarizationMode

Vertical polarization

DirectionCoverage

360°

CharacteristicImpedance

50Ω

VoltageStandingWaveRatio

≤2.5 (typical value)

UnitAntennaGain

≥7 dBi (typical value, 20MHz to 600MHz);

≥10 dBi (typical value, 600MHz to 3GHz);

≥12 dBi (typical value, 3GHz to 6GHz).

DirectionFindingOutputInterface

N-50K or SMA-50K available

Dimensions

≤Φ1240mm × H950mm

Weight

≤25kg

Color

Green