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What is TV Antenna Signal Gain?


My question is, what is antenna signal gain and what does it mean? I noticed you stated "Raw Gain" on the EZ HD antenna. I'm looking at your EZ HD antenna.


I think that's the number one question I get ask. So if you don't mind I will likely publish your question and my answer on line. Less any personal information of course.

Signal gain is a signal measurement performed at the antenna output. It is usually measured in db or micro volts. The most popular is displayed as dB. This particular measurement has been misused increasingly in the last decade. There are a few ways antenna gain can be measured. All methods giving different results. So unless you know what method was in use the dB rating means little.

I used the term raw gain to let the reader know this is actual signal gain produced by the antenna not the antenna with amplifier. Unfortunately there are no laws (none that anyone enforces) to prevent false dB antenna gain ratings. If I state 5 dB someone else can state 6. I think you know what I mean. I came across a small antenna claiming it produced over 30 dB gain. I know this antenna isn't producing that kind of performance. In fact it's more likely only around 3 dB or less.

I state an average raw antenna gain of 5.8 dB on the EZ HD antenna. The test method is dBd (gain over a dipole). A 5.8 dBd gain is excellent for an antenna of this size. I don't want to stir the pot but TV antennas in the past decade have become popular again and are big business for some. Many companies are offering low quality imported antennas. Along with popularity comes hype. My advice if it sounds to good to be true it probably is.

Best Regards,
Denny Duplessis
Denny's TV Antenna Source