Remember to measure from the inside if you want to be more precise. The "Probe to Reflector" measurement we took above represents the distance from the cans bottom to the hole we'll open.įor us, it is 50.9 mm (2 inches). The most difficult part is to make the right hole on the can, to connect our antenna. Once we have all the pieces, the first we should do is solder the copper wire on the female N connector. Such a wire is easy to find for free, especially if you are a DIY fan.Īs for the connectors, we can buy those from most electronics stores. In our case, it is 31.1 mm (1.22 inches). The "Probe Length" measurement refers to the copper wire's size. Extra points if you don't blink until they leave and/or call the cops. If a supermarket worker comes by and asks you why you measure the cans, maintain silent eye contact to assert dominance. That said, you can take a ruler and head to the nearest supermarket. However, the closer we are for the dimensions, the better the WiFi booster. Ours was 144 mm (5.67 inches), and since we can't add length, we had to settle for that. Thus, we added the number 92 on the relevant form and pressed "Compute."įrom the results, we want to pay attention to "Inside Lenght," "Probe to Reflector," "Probe Length."Īs we can see in the picture above, the can's length has to be close to 152.7 mm (6.01 inches). In our case, we used a coffee can with a diameter of 92mm (3.62 inches). Next, visit the page above and insert your router's channel. Find a can close to that, measure the bottom's diameter, and note it down. Depending on our router's channel, we will find the most efficient measurements in this calculator.įirst of all, the inner diameter should be around 83 mm (3.27 inches). Our metal can should have precise measurements. Soldering iron and - of course - solder.We will see more details below for the materials we'll need, but here's the list in short: Thus, you should be extra careful and follow the necessary precautions. Warning: This is a more challenging project that requires the use of a soldering iron, drill, and so on. We based our attempt on this guide, and the end product should look like this. We will be able to connect this device to our laptop, desktop PC, or the router. If we want even better WiFi signal, we can make an actual DIY antenna with a RP-SMA connection, that will work as a directional WiFi booster. The above project is for babies, not for hardcore DIY experts like some of us. With the DIY WiFi booster, we saw an improvement of 10 dBm, since the signal strength was approximately at -75dBm (blue line). Outside the house and about 30 feet away from the router, the strength went down to -85 dBm (red line). We can see that the signal strength is around -47 dBm. The green line marks the signal when the laptop and the router were in the same room. Thus, we put the extender on the router, took the laptop outside the house, and tested the signal strength. Our router had no external antenna, so it was an excellent opportunity to test if our WiFi booster works in a situation like that. If you have a router without an antenna, you can always place the device on top of it or behind.Īccording to our tests, this thing works surprisingly well. All we have to do is put it on the router's antenna, so as it faces the way we want to extend our signal strength. We made a DIY antenna that we can use as a WiFi booster. Make sure to leave about an inch of aluminum in the middle. Start cutting around the base, until you trim it off.Ĭut a straight line lengthwise on the can, and stop before you reach the other end.įrom there, go around once again, but this time from both sides.
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