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Description
1380MHz Biquad AntennaA BiQuad is two full wave bisquare antennas in parallel in front of a reflector 1 8 wavelength away. Without the reflector, the propagation pattern is very much like that of a dipole. The reflector drives the beam outward. What is the gain beam width? ~ 11dbi with a 50 degree beamWhy should I fly it? There are several advantages to the BiQuad. First and foremost, unlike the patch, this antenna is NOT ground plane dependent. While being close to the
A BiQuad is two full wave bisquare antennas in parallel in front of a reflector 1/8 wavelength away. Without the reflector, the propagation pattern is very much like that of a dipole. The reflector drives the beam outward.What is the gain/beam width? ~ 11dbi with a 50 degree beam
Why should I fly it? There are several advantages to the BiQuad. First and foremost, unlike the patch, this antenna is NOT ground plane dependent. While being close to the ground will actually increase the gain some, it is not necessary. It also has small side lobes in the far field, and thus you can fly in close without flying into a null. There is, however, still a null directly overhead just like a dipole would have.
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4.4 ★★★★★
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Product Reviews
★★★★★ 5
Great fit and quality.
Size: 1-Pack
Arrived quickly. Fit properly. Good price.
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Reviewed in the United States on May 11, 2026
★★★★★ 5
Fits Subaru forester hybrid good
Size: 2-Pack
These fit good on my forester very easy to change air flow seems very good. So I’m happy with these.
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Reviewed in the United States on May 26, 2026
★★★★★ 5
Fit my BMW E46 without issue
Color: Black
Worked well in my daughter’s E46. 325ci convertible.
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Reviewed in the United States on March 5, 2026
★★★★★ 1
Not so good
Color: Grey
My ashtray was broken, so I ordered this one. OK fit, but it broke in three months.
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Reviewed in the United States on October 25, 2024
★★★★★ 5
Perfect
Color: Grey, Color: Grey
Fits like a glove. Good quality. Looks great
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Reviewed in the United States on August 27, 2024