Summary: 1. This antenna is indeed suitable for amateur production by beginners. Don\'t be stumped by the production you haven\'t tried. Believe in yourself and believe in science. mr7 is also a novice. He didn\'t have much hope to make antennas before. When you take the first step decisively, you will experience the endless fun and knowledge brought by practice! 2. Exchange experiences with your peers around you, listen to opinions from all sides, and learn by doing, so that you can avoid detours. 3. The size and materials used when making antennas are the key to success. You must grasp the accuracy of the size and choose materials of good quality. In this production, I have to measure the size repeatedly every time I cut, and the accuracy is at least mm level. In terms of materials, I use thick-bottomed iron cans, and the feeder is an imported double-shielded cable. 4. Since there are many office buildings near mr7\'s home, there are naturally many companies using wireless networks. At the same time, the distance between buildings is relatively wide, so mr7 can receive so many network signals on the balcony at home. This once again verifies the experience that \"a good machine is not as good as a good antenna, and a good antenna is not as good as good transmission!\" 5. According to the data provided by the players, the gain of the WIFI cylindrical antenna is about 12DBI. If it is improved by adding a horn-shaped metal ring to the outside of the antenna, the gain of the antenna can be increased by 3DBI. You may want to try it!
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