Critical: If you're intending to use the SMA connector with the antenna, be certain that a 0 Ohm resistor is populated. Numerous people have noted that it is not present on their modules. Refer to the purple square close to the SMA connector in the diagrams underneath for the location. https://situsjudimbl7709876.dbblog.net/4259841/not-known-facts-about-situs-judi-mbl77