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Best point of connection for my external "Cantenna"? Answered

I have a "Cantenna" I built for my old laptop and it (the Cantenna) works GREAT!. I would like to connect it to my new USB wireless network adaptor (Linksys WUSB600) for better reception on my new laptop. I'm trying to determine the best point of connection (on the usb circuit board) for a short pigtail coax wire to connect my "Cantenna". The usb adaptor should have its own built in antenna on the circuit board but I don't know where it is after examining it.  

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steveastroukBest Answer (author)2010-08-26


Square yellow box is the connector for the antenna.

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rpurinton (author)steveastrouk2010-09-03

It sure looks like it could be a connector, however, why would there be one on each side of the board? If it is a connector, I don't know of a connector that would fit something that small. The smallest connector I could think of is a MMC. How could I verify that it is a connector?

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rpurinton (author)steveastrouk2010-09-03

I think you hit the nail on the head. I looked into it and it sure looks like it. I was totally unaware of a UMMC ( ULTRA miniature connector ). But, WOW, who would think something only 2mm in size would cost so much! $53. I suppose it will be worth it in the long term. The only question I have still is why are there 2 of them? One on each side of the pcb.

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Joe Martin (author)2010-08-26

The Antenna is the area on the top of the circuit board. (I can see it top left hand corner, first image.) The trace on the board is the antenna, similar to the Nintendo wii's antenna board and many other devices.

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rpurinton (author)Joe Martin2010-09-03

I agree, it does look like the antenna. It seems to have all the characteristics even to the point of having a decoupling capacitor between it and the rest of the circuit. I sure do not look foward to soldering a co-axial wire to that capacitor. Better I don't drink coffee that morning!

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Re-design (author)Joe Martin2010-08-26

THat bit right under the "P/N". You might be right.

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Re-design (author)2010-08-25

I have a feeling that the "[" copper trace on each side of the square chip is the antenna.

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steveastrouk (author)2010-08-26

I think the "square chip" is a surface mounted low profile co-axial connector...

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