burnwell88 Posted July 7, 2010 Share Posted July 7, 2010 HI all i was woundering if i can make an external antenna for my usb adapter Model: Msi US54SE ii Cipset: RT2571WF http://yltan.com/blog/wp-content/uploads/2...21G-3-LARGE.jpg my adapter is from msi this one above in the imige is from tp-link but the circuit board is identical http://i277.photobucket.com/albums/kk45/Bu...ll88/usbhz6.jpg PLS indicate were to make the soldering ..... thx... Quote Link to comment Share on other sites More sharing options...
jobdone Posted July 8, 2010 Share Posted July 8, 2010 here is my best guess , (sorry if I'm wrong and I'm unsure of the impedence but I'd still use 50 OHM coax... or an antenna straight onto it) but use a multimeter and find an earth point , use the shield from the USB to locate this. This is normally the largest piece of copper and attach the earth braiding as close to the signal point that your going to attach as well - do not bridge the two - the signal point looks like it has a tiny smd capacitor accross it (maybe a resistor?) personally I'd remove this , which would detach the internal antenna (the copper coloured large track) and this would be the centre core for the coax to the antenna. Quote Link to comment Share on other sites More sharing options...
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