Quectel UG Series User Manual

UMTS/HSPA Module Series
WCDMA UGxx AT Commands Manual
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Parameter
Auto save the configuration to NV. The setting is still valid after module restart.
Example
AT+QAUDCFG="handset/nr/ul", "1.6000.9000.10000.1800.19660" //Set configuration to default
OK
AT+QAUDCFG="handset/nr/ul" //Query
+QAUDCFG: "handset/nr/ul", "1.6000.9000.10000.1800.19660"
OK
12.15.5. AT+QAUDCFG="handset/nr/dl" Set Down Link Noise Reduction for Handset
AT+QAUDCFG=“handset/nr/dl” is used to set down link noise reduction for handset.
<nrpara> List of integers, separated by dot (.)
Par0 Noise Reduction control word, 1: enable, 0: disable, Default value might be
different in different audio modes
Par1 NR_AttenFactorMinVal, Minimum value of Noise Reduction gain, range: 0-32767.
Default value might be different in different audio modes
Par2 NR_OvEstFacBandZero, Overestimation factor for Noise Reduction in band 0,
range: 0-32767. Default value might be different in different audio modes
Par3 NR_OvEstFacBandNoZero, Overestimation factor for Noise Reduction in band 1
to 7, range: 0-32767. Default value might be different in different audio modes
Par4 NR_GainFactor, Defines how aggressive the NR is, range: 0-32767. Default value
might be different in different audio modes
Par5 NR_GainLimit, Maximum gain allow, range: 0-32767. Default value might be
different in different audio modes
AT+QCFG="handset/nr/dl" Set Down Link Noise Reduction for Handset
Test Command
AT+QAUDCFG=?
Response
……
+QAUDCFG: "handset/nr/dl",<nrpara>
……
OK
NOTE
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Quectel UG Series Specifications

General

Brand	Quectel
Model	UG Series
Category	Control Unit
Language	English