![]() ![]() The copper I got in a normal electronics store (in this case “Kashayof” in Jerusalem). Just to make one thing clear – Pringles cans are too small fore the wavelength and they don’t last well anyway. there were good reports using wiskey cans. It was supose to be used for storing coffie. Use this online calculator, to calculate the minimal depth, before having serious signal loss. Basically, you need the can to be as deep as possible. The depth of my can was 117mm, it was a little more than the minimum given. This number is govern by the oscillation of the radio wave inside that can (The wave in wireless 2.4 GHz). As I wrote, the diameter should be in the magical range of 70mm to 100mm. Of course, the first part is finding the can in the right size. A wireless card with an external antenna connector.A Pigtail – a cable that connects the cantenna to the wireless card (the card needs an external antenna connector.A coffee can with a diameter between 70mm- 110mm.This antenna will dramatically boost your wireless connection to a specific direction, enabling connectivity to great distances. Here is my own DIY guide to build a waveguide antenna. This is really a translation of a post I wrote in Hebrew out of Linmagazine. Tags: cantenna, computers, diy, hacking, howto, linux How to build “cantenna”, a wave guide antenna out of a coffee can NovemPosted by GuySoft in cantenna, Crictor, diy, Hamakor, linux, open source, wifi, wireless. ![]()
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