Search results
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
As you can see, higher return losses mean more power into...
- Gallery
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
Test results (dBi gain and patterns) of interesting publicly...
- 3D Plotting Software
We have partnered with Arie Voors, the author of the very...
- Examples Overview
Our antenna testing company has evaluated lots of...
- 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.
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.
22 lip 2024 · The ability of an antenna to focus radio frequency (RF) energy, either sent or received, in a specific direction relative to an ideal isotropic radiator is known as antenna gain. Antenna Gain is calculated by using the formula energy: Antenna Gain = 10 × log 10 (P out /P in) where, P out is the radiated power in a specific direction (usually ...
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)
4 lut 2024 · The gain of an antenna is expressed as a ratio relative to the reference antenna, and this ratio is expressed in dBi. Since dBi is a logarithmic unit, a 3 dBi antenna will have twice the power of a 0 dBi antenna, and a 6 dBi antenna will have four times the power of a 0 dBi antenna.
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.
