vb.net - AT Command for Searching Signal Quality (Not Strength) -
i trying make application can measure signal, operator sim, apn, , other modem via serialport. want signal quality (not strength) such umts, hspa, hsdpa, or other. knows?
if possible, tell me @ command can used on kind of application?
at+creg has parameter gives indication of current access technology. documented in section 7.2 of standard @ command reference, ts 27.007.
+creg: ,< stat>[,[< lac>],[< ci>],[< act>][,< cause_type>,< reject_cause>]]
the parameter "act" has following values:
0 gsm
1 gsm compact
2 utran (= umts)
3 gsm w/egprs
4 utran w/hsdpa
5 utran w/hsupa
6 utran w/hsdpa , hsupa
7 e-utran (= lte)
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