Here is the WROVER module with added smd U.FL connector and correct resistor placement for external antenna. The R14 spot is for external antenna and the R15 spot is for internal pcb antenna. If you are unable to move the 0201 resistor (or if you loose it ) you can replace it with a solder blob on the necessary pads.   This is the RP-SMA pigtail installed in the new XL style antenna case back. A short coaxial cable is best. There are some 4 inch ones readily available that work w
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