As an IT specialist, I've seen some bad products, and this ranks up there with them! Thanks to my knowledge gained in practice, I tested and found that this "433Mhz Wireless Module Antenna Antenna" simply doesn't deliver what it promises. It's a cheap option, sure, but it just doesn't work with computers. In fact, it barely boosted the signal at all. Save yourself the money and invest in a more capable antenna.
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