YD-HA187-20
$ 268
Operating frequency: 3.94–5.99 GHz; gain: 20 dBi; WR-187 waveguide
Product Category:
Standard Gain Horn Antenna
Keywords:
Product Manual:
- Product Description
- Main Parameters
- Structural parameters
-
The YD-HA187-20 is a standard-gain horn antenna with an operating frequency range of 3.94 GHz to 5.99 GHz. It delivers a nominal gain of 20 dB. At the center frequency, the typical 3-dB beamwidth is 15.9° in the E-plane and 16.6° in the H-plane. The antenna supports linear polarization. Its input interface is a WR-187 waveguide equipped with an FDP48 flange. The antenna is manufactured using soldering and features a painted exterior finish, ensuring excellent electrical performance.
Mechanical appearance

FDP 48 Flange Dimension Drawing

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Indicator Name
Minimum value
Typical value
Maximum value
Frequency
3.94GHz
5.99GHz
Gain
20 dB
Polarization
Linear polarization
3 dB beamwidth, E-plane
15.9°
3 dB beamwidth, H-plane
16.6°
Side lobe
-13 dB
Voltage Standing Wave Ratio
≤1.5
Operating temperature
-40 °C
+85 °C

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Parameter Name
Specification Description
Antenna port
WR-187 waveguide
Flange Type
FDP 48 Flange
Size
366(L)×280(W)×199(H)
Materials
Aluminum
Surface Treatment
Exterior paint
Weight
1.714kg
Three-dimensional shape
Available upon request.
Keywords:
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Product
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副标题
Cassegrain antenna
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频率最小
200
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频率最大
220
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极化方式
Linear polarization
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典型增益
44
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天线端口
WR-04
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VSWR
1.5
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3dB波束宽度
1
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副标题
Gradual方圆
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频率最小
22
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频率最大
33
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VSWR
1.05
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波导长度
1.57
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过渡类型
Round-to-square transition
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波导端口一(min)
∅8.90 round mouth
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波导端口二(max)
8.636 × 8.636 square opening