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EC200U-CN定位功能

物联网模组 4G标准模组
#1

各位大佬，查询GPS信息失败，可能是什么原因
AT+QGPSCFG=“gpsnmeatype”,1
OK
AT+QGPS=1
OK
AT+QGPSLOC=2
+CMS ERROR: 50

#2

at+qgps=1
at+qgpscfg=“nmeasrc”,1

at+qgpsgnmea=gga

#3

你用的是哪款模组，具体型号和固件版本是多少，确认支持GPS定位吗？

#4

模组放在室内，但周围无遮挡，还是没有获取到
AT+QIACT=1

OK
AT+QGPSCFG=“nmeasrc”,1

OK
AT+qgmr

EC200UCNLAR02A05M08

OK
AT+QGPS=1

OK
AT+QGPS?

+QGPS: 1

OK
AT+QGPSGNMEA=“GGA”

+QGPSGNMEA: $GNGGA,0,00,99.99,*56

OK
AT+QGPSGNMEA=“RMC”

+QGPSGNMEA: $GNRMC,V,N,V*37

OK
H?AT+QGPSGNMEA=“GSV”

+QGPSGNMEA: $PQGSV,1,1,00,0,4*6B

OK
AT+QGPSGNMEA=“GSA”

+QGPSGNMEA: $GNGSA,A,1,99.99,99.99,99.99,133
+QGPSGNMEA: $GNGSA,A,1,99.99,99.99,99.99,436

OK
AT+QGPSGNMEA=“VGT”

+CME ERROR: 501

#5

试下这个指令打开gps电源
AT+QGPSPOWER=1

另外室外是可以的吗？

#6

目前不方便去室外调试。用AT+QGPSPOWER=1貌似有效果，可以获取时间，但经纬度信息还是无
AT+QGPSPOWER=1
OK
AT+QGPS=1
OK
AT+QGPS?
+QGPS: 1
OK
AT+QGPSGNMEA=“GGA”
+QGPSGNMEA: $GNGGA,080241.61,0,00,99.99,70
OK
AT+QGPSGNMEA=“RMC”
+QGPSGNMEA: $GNRMC,080259.61,V,090524,N,V12
OK
AT+QGPSGNMEA=“GSV”
+QGPSGNMEA: $PQGSV,1,1,00,0,46B
OK
AT+QGPSGNMEA=“GSA”
+QGPSGNMEA: $GNGSA,A,1,99.99,99.99,99.99,133
+QGPSGNMEA: $GNGSA,A,1,99.99,99.99,99.99,436
OK
AT+QGPSGNMEA=“VGT”
+CME ERROR: 501
AT+QGPSGNMEA=“GGA”
+QGPSGNMEA: $GNGGA,080426.61,0,00,99.99,77
OK
AT+QGPSGNMEA=“RMC”
+QGPSGNMEA: $GNRMC,080444.61,V,090524,N,V18
OK
AT+QGPSGNMEA=“GSV”
+QGPSGNMEA: $PQGSV,1,1,00,0,46B
OK

#7

这些返回的NMEA语句表示没有定位。室内环境不行，除非有GPS放大器那种。