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SIM 300 probelm with strong signal

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banchilo

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Hello people,
I have a strange problem with GPRS module SIM 300

The module is correctly connected to the gprs, but when the antenna is attached to the module http requests are not reaching the server.

When I disconnect the antenna from the module everything works normally.
Maybe the problem is with a stronger signal?

In both cases the connection is made via the same cell - the same base station.

Do you have any idea how to solve this problem?


Regards.
 

In both case check the signal quality (+CSQ). It will be clear, about the problem.
 
+CSQ=28,0 With antenna
+CSQ=14,0 Without antenna

:???:
 

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