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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