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This simple tutorial illustrates the concepts of antenna gain, the dB, and the dBi terms. You can understand it all with no math !
- Return Loss & VSWR
3D Plotting Software; Published Articles; Consumer Antennas....
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This antenna test service example features full “vector”...
- 1D, 2D, 3D Or 4-Dimensional
We always recommend 3D patterns, unless your antenna is...
- nanoVNA-V2
So Antenna Test Lab bought up some of the nanoVNA-V2’s,...
- Consumer Antennas
Consumer Antennas More Fun Test Results. From time to time...
- 3D Plotting Software
We have partnered with Arie Voors, the author of the very...
- Examples Overview
Browse our gallery of real world antenna test results to get...
- Is More Antenna Gain Better
To understand antenna gain and directivity, continue to...
- Return Loss & VSWR
Yes, you will get more signal strength from a 7 dBI antenna than a 2.2dBI (specifically 4.8 dB). It solves that by radiating energy more directionally than an idea antenna that radiates evenly in all directions (0 dBI). This increased signal strength of 4.8 dB is 10^ (4.8/10) = 3 times more power.
NOTE: Some companies present the gain of their antennas in dBi, not dBd, as most do. That makes it look like they have the same (or more) gain as other antennas, but subtract 2.15 dB from the dBi and you have leveled the playing field.
25 wrz 2024 · This tool computes the Antenna Gain in dBi using: Antenna Factor (units: dB/m) Frequency of operation (units: Hz/kHz/MHz/GHz)
You’re evaluating a new antenna with a stated gain of 5 dBi. Applying the conversion formula, you can determine that this translates to a power gain of approximately 2.85 dB, empowering you to assess its suitability for your specific requirements.
6 sty 2022 · NSI-MI Technologies’ Antenna Gain Calibration software computes the gain of one or more unknown antennas using the two-antenna and three-antenna gain measurement techniques. The output of the analysis is a
A spectrum analyzer can measure the performance of an antenna by sweeping a radio frequency signal across the antenna and measuring the antenna's gain at each frequency. You can use this information to adjust the antenna for optimal performance.
