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- Fri Jan 19, 2018 7:29 am
- Forum: Antennas
- Topic: Why GND and RF_ANT pins shows short-circuit
- Replies: 1
- Views: 3605
I have a Quectel M72FA GSM module , brand new one. I have just soldered it onto my PCB and found that: there is a short-circuit between the GND and RF_ANT pins. This is the pinout: https://i.stack.imgur.com/N6MxN.png GSM pinout I have checked the soldering with a magnifying glass, it looks OK the pi...