Saturday, October 31, 2009
Cheap wifi Antennas
How to make 16 db wifi antenna under 10$.
In this pictorial I'm showing you how to make a 16dBi very powerful wifi antenna for under 10 dollars. I've already post...
step 1Materials needed
This picture shows you what you need. A 12x12cm brass, copper or tinned metal plate, a BNC chassis connector, a BNC cable connector, 35mm thick PE or styrofoam (can also…
step 2Mount the BNC connector to the plate
Find the center of the plate by drawing lines between the corners and make a mark 20mm from the center. Drill a hole in the plate at that point that is big enough to fit th…
step 3Cut the PE or styrofoam
We need to cut 3 pieces of PE foam or styrofoam. PE foam is often used to protect computer or measurment or other sensitive equipment during transport it should be easy to …
step 4Mark the beam and wind the antenna wire
You must mark the beam every 3 centimeters. After doing that the 1.5mm2 wire can be stripped. The wire must be stripped since the isolation is not suitable for high frequen…
step 5Solder the antenna wire
This is a critical part. The BNC connector has some insulation around it's central conductor. You must cut this until it is 1mm above the metal plate. The copper wire…
step 6Connecting the antenna to your WIFI card
There are multiple ways to connect it to your wlan card. 1. If you have a card with an external antenna, you can cut the wire, and mount a BNC connector to it that you …
step 7results:16dBi antenna picks up 21 ap's instead of 7 with the original antenna!
When using this antenna, you should be aware that this antenna has a lot of gain, but because of that, a narrow beam in which it has that gain. In other words, you have to …
In this pictorial I'm showing you how to make a 16dBi very powerful wifi antenna for under 10 dollars. I've already post...
step 1Materials needed
This picture shows you what you need. A 12x12cm brass, copper or tinned metal plate, a BNC chassis connector, a BNC cable connector, 35mm thick PE or styrofoam (can also…
step 2Mount the BNC connector to the plate
Find the center of the plate by drawing lines between the corners and make a mark 20mm from the center. Drill a hole in the plate at that point that is big enough to fit th…
step 3Cut the PE or styrofoam
We need to cut 3 pieces of PE foam or styrofoam. PE foam is often used to protect computer or measurment or other sensitive equipment during transport it should be easy to …
step 4Mark the beam and wind the antenna wire
You must mark the beam every 3 centimeters. After doing that the 1.5mm2 wire can be stripped. The wire must be stripped since the isolation is not suitable for high frequen…
step 5Solder the antenna wire
This is a critical part. The BNC connector has some insulation around it's central conductor. You must cut this until it is 1mm above the metal plate. The copper wire…
step 6Connecting the antenna to your WIFI card
There are multiple ways to connect it to your wlan card. 1. If you have a card with an external antenna, you can cut the wire, and mount a BNC connector to it that you …
step 7results:16dBi antenna picks up 21 ap's instead of 7 with the original antenna!
When using this antenna, you should be aware that this antenna has a lot of gain, but because of that, a narrow beam in which it has that gain. In other words, you have to …
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