Play · Technology · Workshop. Easy to Build WIFI GHz Yagi Antenna by Biotele on July 7, Table of Contents. Easy to Build WIFI GHz Yagi Antenna. Nick sent in this great build for improving your WiFi connection. There are a lot of different ways to make WiFi antennas, many of them featured.

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The key point is that the transmit power is defined as EIRP effective isotropic radiated poweri. I looked it up: With more antenna gain, the power needs to be reduced.

A Simple Yagi Antenna For Your Wi-Fi Router

Ygai entirely understand that, having been involved in and using WLANs since before antenha I boosted a wireless router in bridge mode by placing it in the bottom of a mesh steel wastebasket propped up on a chair and pointing out the window. I did something similar once, when our office internet was out and I knew someone in the building across the street. By Marc de Vinck Marc de Vinck. That would also require following all the other ham radio rules.

Easy to Build WIFI GHz Yagi Antenna | I r MAKEr | Pinterest | Wifi, Tech hacks and Wifi extender

Thanks for your submission. In the US that would mean: The transmit power is unchanged, only the EIRP increases in the main direction. That last one is pretty easy, just set the ssid to your ham callsign.


How do you use this with a two-antenna presumably dipole router? Fill in your details below or click an icon to log in: Why is no one 3D printing these already?! Return the modem router combo abomination you have been renting and save a few dollars each month on your bill too.

Turn down your transmit power until eirp is mW when in EU and you can sustain a link to a router 1. Leave a Reply Cancel reply Enter your comment here You will also be receiving the weekly Make: Notify me of new posts via email.

Stupid question from a non-radio guy: Please understand dB by itself means bugger all.

Buy the router as above. Subscribe to Make Magazine Today! In the meantime, keep making stuff! Email required Address never made public. Send this to a friend Your email Recipient email Send Cancel.

A Simple Yagi Antenna For Your Wi-Fi Router | Hackaday

Those first two though. You are commenting using your Facebook account. Get the Magazine Make: Hence the received power will be unchanged. That statement is misleading at best, as an ideal Yagi antenna yields 7. Notify me of new comments via email. Yoghurt instead of yogurt? The article did YOU read it? Sign up for the Make: Just like above but the Comcast router also is active on WiFi.

By using our website and services, you expressly agree to the placement of our performance, functionality and advertising cookies. Our editors will review your materials and follow up with you via email as soon as possible. Be aware that, to remain legal, if you use a 10dB antenna then you must reduce the transmit power by 10dB.


Would cost too much for almost no benefit. But few have been this cheap. I have been playing around with some wifi networking lately, mostly with the La Fonera, and finally decided to build a directional wifi antenna. Some examples of correct use: Newsletter 2.4guz inspired, keep making.

Thanks for signing up. For those concerned about EIRP, know that the guy t did this is an amateur radio operator and is therefor legally able to run higher power levels effective or actual than unlicensed individuals as long as the transmissions meet all applicable laws.

How To: Make a simple WiFi Yagi antenna

When we take a new Wi-Fi router from its box, the stock antenna is a short plastic stub with a reverse SMA plug on one end. While it is a half-duplex technology, there are no receivers and transmitters.

The simulation predicts 8.

You are commenting using your WordPress. I could be very wrong though. Go into the setup of the Comcast router and turn the wireless part off. I expect the relevant laws allow higher power transmissions in ham radio bands, not in ISM bands.