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  • Cell phone jamming device detector - Questions regarding antennas, gain and their connection with Wifi Bands. - [Solved]

    When I was searching for antennas for my PC’s Wifi unit, I thought it would be straight forward.Find an SMP wifi antenna, buy it, and you’re done.But then, I discovered new terms about wifi antennas.Due to this, I need to know some stuff about antennas and whatnot first:(Note: I am using a dual band TP-Link PCI-E Wifi Adapter)1. I can’t seem to find an antenna that’s designed for 5GHz; all I can find are 2.4GHz antennas. Will this make a difference?2. My wifi adapater seems to have two antennas... Why? Is one antenna for 2.4GHz and one for 5GHz signals, or do both of them combine to form a 5GHz antenna?3. Are dBi numbers only from the antennas? I don’t want to get a 9dBi antenna, only to know that it’s bottlenecked by my wifi module.4. Will having a desktop antenna make a difference versus an antenna hooked directly on the module (especially with 5GHz signals)?That’s about all the questions I have for now.You may answer it completely or give me a short answer; I’m fine with either (as long as I can learn from it, of course).Hope these questions can be answered quickly!

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