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oskar2016 The pcb antenna is calculated to match with the tcvr, and you just can't measure it's length! There are a lot of things like shortening factors, imedance, and other stuffs you have to calculate in. With this mod, i'm sure you unmatch the impedance, and at a higher transmit powers (like PA LNA version) it could kill your transmitter! If you want to do the correct way, you should disconnect the entire antenna with a cut after 2-3mm, and solder a wire antenna on.

Pablo Vinotti 09/01/2018
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