Quectel RM500Q-GL GNSS function

Hello everyone,
While I followed the documentation of GNSS ,I did’t got gps data properly yet.
Here’s my at command input and output, could you plese advise me?

‘at+qgps=1\r’ > /dev/ttyUSB6

‘AT+QGPSCFG=“nmeasrc”,1\r’ > /dev/ttyUSB6

‘AT+QGPSGNMEA=“GGA”\r’ > /dev/ttyUSB6


echo -e ‘at+qgpsloc?\r’ > /dev/ttyUSB6

more information:
I double check the device, antenna connection’s correct and signal’s nr5g-sa

‘at+qeng=“servingcell”\r’ > /dev/ttyUSB
+QENG: “servingcell”,“NOCONN”,“NR5G-SA”,“TDD”, 460,01,0,325,5CE300,627264,78,12,-93,-13,27,0,-

‘ati?\r’ > /dev/ttyUSB6
Revision: RM500QGLABR11A02M4G


Hello Justine,
Error 516 means unfixed position. so please wait for a little bit more time.
and which antenna do you use? we suggest to use below combo antenna.I also attached the datasheet for you.image Quectel_5G_Antenna_Box_YB0007xx_Datasheet_V6.0.pdf (1.9 MB)
By the way, please help to reply below question for better support you,thanks!
*Company name and located city:

  • Project name (so we can refer to it in the future):

  • Application type:

  • Estimated Annual Units (for series production):

  • Project timeline:

  • Current status:

  • From which distributor do you buy Quectel modules & EVB kits?

  • Do you have EVB kit for this application?

Hi peter, thanks for you replay.
I have this antenna, which has four interface(LMH# LMH *MH MH) on there,which one should I use to connect?
also four interface on RM500Q-GL (0/1/2/3) ,which one i shoudl use?
seems 0&1 are used 5G NR, 2&3 were used for GPS?
since we still on POC staging and and gps function’s not work. we don’t have esitmaed annual units and timelime for that,sorry for that.

Hello Justine,
Please refer to below picture so that you would know it clearly how to connect them.
Can you tell your company name and your based country or city?Thanks!

Hi Peter, thanks for you reply, again!
Our Compnay’s UCloud and we base on shanghai,
According to your suggestion, I got gps data, but seems’s latlng’s long away from my test position.
Any idea how to fixed the data?


Hello Justine,
We have already a wechart group to support your company,so may I have your phone so that I can invite you to join the wechart group,thanks!