kango2020
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Hello, I recently bought any M2M SIM from "nextm2m.com" danmark, one is called by them "GLOBAL" because they work in all countries, and the other "EU Standard" for Europe (I live in Italy). Mounted on a common Samsung smartphone to test the operation, they work regularly. If I put in my project which mounts the SIM900 return "network error", you can see clearly into the attached path that they should be in "roaming" this is the only difference I notice from the common Italian DATA SIM managers who work regularly in my project.
it is possible that the SIM900 not handle the "roaming" since you regularly work on your smartphone?
Perhaps depends on a different data connection SIM900?
Any idea ?
Best regards
it is possible that the SIM900 not handle the "roaming" since you regularly work on your smartphone?
Perhaps depends on a different data connection SIM900?
HTML:
Pic delay mS SIM900 rate 19200
AT+CSCLK=0 60 OK
AT+CREG? 60 +CREG: 0,5 OK
AT+CGATT=1 61 OK
AT+SAPBR=3,1,"Contype","GPRS" 69 OK
AT+SAPBR=3,1,"APN","internet.gdsp" 73 OK
AT+SAPBR=1,1 1586 OK
AT+HTTPINIT 61 OK
AT+HTTPPARA="URL","my siteand data" 100 OK
AT+HTTPACTION=0 65 OK
9000 AT+HTTPACTION:601,0Best regards