This is an old TV antenna which I'm using to turn my 2 megabit 4G connection into a symmetrical 20 megabit 4G connection and in this video I'm going to show you the basics of how I did that. So if you're not even aware of how TV antennas work, if the basic is that all those little pointed bits you see mounted to the stalk serve to amplify a signal coming from a very particular direction and focus that signal onto a single point where the receiver module sits. In this case my 4G modem. The reason for able to amplify a signal in this manner is because they sacrifice omnidirectionality for receiving a signal coming from a single point in the distance. In order for a TV antenna to work you need to aim it in the right direction. In my case the direction to the nearest sulphone tower. In order to do this I just used a coverage map provided by my Tolkien provider in combination with Google maps in order to map out where the nearest 4G tower is and that's such to be able to plot a line of sight directly from my haze to the tower. But then just placing my laptop underneath the antenna with the line drawn on the screen I could easily aim the antenna in exactly the way I wanted it to be. However since I'm a bit of a nerd I also had access to this old spectrum analyzer at which I'm going to use now to demonstrate that this in fact does work. However before we do I want to put a bit of a disclaimer in here. The 4G network in my area is running on 800 megahertz which is in fact also a TV band. Often in more urban environments the 4G runs on well over 2 gigahertz much like 3G and in that case you are unlikely to have any success using an old TV antenna because that's just not the TV band. I also have two of these spectrum analyzes. I've got connected a little omnidirectional antenna just a piece of wire basically and we're viewing the 4G tower I'm trying to receive it. So now I'm holding the antenna of the spectrum analyzer right in front of the antenna. We're using to actually receive 4G and as you might be able to see we're barely picking up anything with just an oven or a noise floor. If I just move this back to where my receiver is you can see but now we're getting a very clear signal by comparison. So with that in mind as for doing the actual 4G conversion I just chose the simplest route rather than trying to convert via original receiver bit which went there. I've just chosen to remove the original receiver and mount my 4G modem on a piece of plywood where the original antenna connection to the modem is just made by a USB cord going to this T-peel link TLMR13U wireless router which takes care of converting the 4G into a normal wireless network. The Huawei E3372 modem itself hasn't received any modification at all except for two cheaper external antennas to give it a bit more grunt and to be able to be in two places at once in order to accommodate this plighted nature via antenna. And to prove a bit setup does indeed work all we need to do is run a speed test on it making note of the results about 15 megabits down and 20 megabits up and turn via antenna away from the tower and as you can see with actually an additional gain of a directional antenna we have pretty much ruined our speed back to what is normal at S18 where a bake 5 to 2 megabits in either direction a bit depending on the weather. In fact I've been promoted and be able to see the results live with a starter test and rotate their antenna during it. Now as a that's not the testament I don't know what is. Thank you for watching, Cheerio!