I have sent it to you,pls check
Thank you so much. Still i’m facing some issues.
i referred EC200-GNSS-MANUAL.pdf (Example 3.1)
Sometime it Works.
[2024-12-09 14:02:43:291_S:] AT+QGPSLOC?
[2024-12-09 14:02:43:304_R:] AT+QGPSLOC?
[2024-12-09 14:02:43:320_R:] +CME ERROR: 516
[2024-12-09 14:03:34:261_S:] AT+QGPS?
[2024-12-09 14:03:34:272_R:] AT+QGPS?
[2024-12-09 14:03:34:288_R:] +QGPS: 1
[2024-12-09 14:03:34:291_R:] OK
[2024-12-09 14:03:42:421_S:] AT+QGPSLOC=0
[2024-12-09 14:03:42:436_R:] AT+QGPSLOC=0
[2024-12-09 14:03:42:441_R:] +QGPSLOC: 083323.000,1101.4872N,07659.4728E,2.0,269.9,3,000.00,2.2,1.2,091224,05
[2024-12-09 14:03:42:461_R:] OK
[2024-12-09 14:03:51:591_S:] AT+QGPSLOC=0
[2024-12-09 14:03:51:606_R:] AT+QGPSLOC=0
[2024-12-09 14:03:51:617_R:] +QGPSLOC: 083332.000,1101.4871N,07659.4736E,2.0,295.8,3,000.00,0.0,0.0,091224,05
[2024-12-09 14:03:51:617_R:] OK
[2024-12-09 14:03:52:511_S:] AT+QGPSLOC=0
[2024-12-09 14:03:52:527_R:] AT+QGPSLOC=0
[2024-12-09 14:03:52:543_R:] +QGPSLOC: 083333.000,1101.4873N,07659.4728E,2.0,297.3,3,000.00,0.0,0.0,091224,05
[2024-12-09 14:03:52:543_R:] OK
[2024-12-09 14:03:53:291_S:] AT+QGPSLOC=0
[2024-12-09 14:03:53:307_R:] AT+QGPSLOC=0
[2024-12-09 14:03:53:321_R:] +QGPSLOC: 083334.000,1101.4871N,07659.4725E,2.0,299.7,3,000.00,0.0,0.0,091224,05
[2024-12-09 14:03:53:321_R:] OK
[2024-12-09 14:03:54:052_S:] AT+QGPSLOC=0
[2024-12-09 14:03:54:061_R:] AT+QGPSLOC=0
[2024-12-09 14:03:54:081_R:] +QGPSLOC: 083335.000,1101.4875N,07659.4728E,2.0,301.5,3,000.00,0.0,0.0,091224,05
[2024-12-09 14:03:54:081_R:] OK
[2024-12-09 14:03:54:743_S:] AT+QGPSLOC=0
[2024-12-09 14:03:54:761_R:] AT+QGPSLOC=0
[2024-12-09 14:03:54:774_R:] +QGPSLOC: 083336.000,1101.4875N,07659.4730E,2.0,304.0,3,236.43,0.5,0.3,091224,05
[2024-12-09 14:03:54:781_R:] OK
[2024-12-09 14:04:01:081_S:] AT+QGPSLOC=1
[2024-12-09 14:04:01:101_R:] AT+QGPSLOC=1
[2024-12-09 14:04:01:111_R:] +QGPSLOC: 083342.000,1101.487080,N,07659.472160,E,2.0,310.3,3,000.00,0.0,0.0,091224,05
[2024-12-09 14:04:01:111_R:] OK
[2024-12-09 14:04:04:161_S:] AT+QGPSLOC=2
[2024-12-09 14:04:04:172_R:] AT+QGPSLOC=2
[2024-12-09 14:04:04:181_R:] +QGPSLOC: 083345.000,11.02480,76.99123,2.0,308.8,3,236.43,5.2,2.8,091224,05
[2024-12-09 14:04:04:197_R:] OK
[2024-12-09 14:04:06:081_S:] AT+QGPSLOC=2
[2024-12-09 14:04:06:091_R:] AT+QGPSLOC=2
[2024-12-09 14:04:06:101_R:] +QGPSLOC: 083347.000,11.02481,76.99125,2.0,308.2,3,000.00,0.0,0.0,091224,05
[2024-12-09 14:04:06:111_R:] OK
[2024-12-09 14:04:06:331_S:] AT+QGPSLOC=2
[2024-12-09 14:04:06:341_R:] AT+QGPSLOC=2
[2024-12-09 14:04:06:351_R:] +QGPSLOC: 083347.000,11.02481,76.99125,2.0,308.2,3,000.00,0.0,0.0,091224,05
[2024-12-09 14:04:06:351_R:] OK
[2024-12-09 14:04:06:538_S:] AT+QGPSLOC=2
[2024-12-09 14:04:06:541_R:] AT+QGPSLOC=2
[2024-12-09 14:04:06:561_R:] +QGPSLOC: 083347.000,11.02481,76.99125,2.0,308.2,3,000.00,0.0,0.0,091224,05
[2024-12-09 14:04:06:572_R:] OK
[2024-12-09 14:04:06:713_S:] AT+QGPSLOC=2
[2024-12-09 14:04:06:731_R:] AT+QGPSLOC=2
[2024-12-09 14:04:06:745_R:] +QGPSLOC: 083348.000,11.02480,76.99124,2.1,308.6,3,000.00,0.0,0.0,091224,05
[2024-12-09 14:04:06:761_R:] OK
[2024-12-09 14:04:06:891_S:] AT+QGPSLOC=2
[2024-12-09 14:04:06:911_R:] AT+QGPSLOC=2
[2024-12-09 14:04:06:921_R:] +QGPSLOC: 083348.000,11.02480,76.99124,2.1,308.6,3,000.00,0.0,0.0,091224,05
[2024-12-09 14:04:06:921_R:] OK
[2024-12-09 14:04:07:056_S:] AT+QGPSLOC=2
[2024-12-09 14:04:07:063_R:] AT+QGPSLOC=2
[2024-12-09 14:04:07:081_R:] +QGPSLOC: 083348.000,11.02480,76.99124,2.1,308.6,3,000.00,0.0,0.0,091224,05
[2024-12-09 14:04:07:081_R:] OK
[2024-12-09 14:04:07:223_S:] AT+QGPSLOC=2
[2024-12-09 14:04:07:231_R:] AT+QGPSLOC=2
[2024-12-09 14:04:07:241_R:] +QGPSLOC: 083348.000,11.02480,76.99124,2.1,308.6,3,000.00,0.0,0.0,091224,05
[2024-12-09 14:04:07:241_R:] OK
[2024-12-09 14:04:07:371_S:] AT+QGPSLOC=2
[2024-12-09 14:04:07:391_R:] AT+QGPSLOC=2
[2024-12-09 14:04:07:402_R:] +QGPSLOC: 083348.000,11.02480,76.99124,2.1,308.6,3,000.00,0.0,0.0,091224,05
[2024-12-09 14:04:07:421_R:] OK
[2024-12-09 14:04:07:541_S:] AT+QGPSLOC=2
[2024-12-09 14:04:07:557_R:] AT+QGPSLOC=2
[2024-12-09 14:04:07:561_R:] +QGPSLOC: 083348.000,11.02480,76.99124,2.1,308.6,3,000.00,0.0,0.0,091224,05
[2024-12-09 14:04:07:561_R:] OK
[2024-12-09 14:04:07:711_S:] AT+QGPSLOC=2
[2024-12-09 14:04:07:721_R:] AT+QGPSLOC=2
[2024-12-09 14:04:07:741_R:] +QGPSLOC: 083349.000,11.02479,76.99124,2.1,309.9,3,000.00,0.0,0.0,091224,05
[2024-12-09 14:04:07:751_R:] OK
[2024-12-09 14:04:07:862_S:] AT+QGPSLOC=2
[2024-12-09 14:04:07:881_R:] AT+QGPSLOC=2
[2024-12-09 14:04:07:891_R:] +QGPSLOC: 083349.000,11.02479,76.99124,2.1,309.9,3,000.00,0.0,0.0,091224,05
[2024-12-09 14:04:07:891_R:] OK
[2024-12-09 14:04:08:035_S:] AT+QGPSLOC=2
[2024-12-09 14:04:08:051_R:] AT+QGPSLOC=2
[2024-12-09 14:04:08:061_R:] +QGPSLOC: 083349.000,11.02479,76.99124,2.1,309.9,3,000.00,0.0,0.0,091224,05
[2024-12-09 14:04:08:071_R:] OK
[2024-12-09 14:04:08:181_S:] AT+QGPSLOC=2
[2024-12-09 14:04:08:202_R:] AT+QGPSLOC=2
[2024-12-09 14:04:08:202_R:] +QGPSLOC: 083349.000,11.02479,76.99124,2.1,309.9,3,000.00,0.0,0.0,091224,05
[2024-12-09 14:04:08:212_R:] OK
[2024-12-09 14:04:15:512_S:] AT+QGPSEND
[2024-12-09 14:04:15:526_R:] AT+QGPSEND
[2024-12-09 14:04:15:542_R:] OK
Some time it gives
2024-12-09 14:04:20:871_S:] AT+QGPS?
[2024-12-09 14:04:20:881_R:] AT+QGPS?
[2024-12-09 14:04:20:891_R:] +QGPS: 0
[2024-12-09 14:04:20:901_R:] OK
[2024-12-09 14:04:24:282_S:] AT+QGPS=1
[2024-12-09 14:04:24:293_R:] AT+QGPS=1
[2024-12-09 14:04:24:326_R:] OK
[2024-12-09 14:04:26:322_R:] DSR:1 CTS:1 (RI:1) DCD:0
[2024-12-09 14:04:26:433_R:] +QGPS: “firmware”,0,0
[2024-12-09 14:04:26:449_R:] DSR:1 CTS:1 (RI:0) DCD:0
[2024-12-09 14:04:30:992_S:] AT+QGPSLOC=0
[2024-12-09 14:04:31:002_R:] AT+QGPSLOC=0
[2024-12-09 14:04:31:011_R:] +CME ERROR: 516
[2024-12-09 14:04:32:296_S:] AT+QGPSLOC=0
[2024-12-09 14:04:32:302_R:] AT+QGPSLOC=0
[2024-12-09 14:04:32:311_R:] +CME ERROR: 516
[2024-12-09 14:04:32:922_S:] AT+QGPSLOC=0
[2024-12-09 14:04:32:936_R:] AT+QGPSLOC=0
[2024-12-09 14:04:32:947_R:] +CME ERROR: 516
[2024-12-09 14:04:33:172_S:] AT+QGPSLOC=0
[2024-12-09 14:04:33:191_R:] AT+QGPSLOC=0
[2024-12-09 14:04:33:203_R:] +CME ERROR: 516
[2024-12-09 14:04:33:382_S:] AT+QGPSLOC=0
[2024-12-09 14:04:33:394_R:] AT+QGPSLOC=0
[2024-12-09 14:04:33:412_R:] +CME ERROR: 516
[2024-12-09 14:04:38:862_S:] AT+QGPSLOC=2
[2024-12-09 14:04:38:873_R:] AT+QGPSLOC=2
[2024-12-09 14:04:38:873_R:] +CME ERROR: 516
[2024-12-09 14:04:39:527_S:] AT+QGPSLOC=2
[2024-12-09 14:04:39:541_R:] AT+QGPSLOC=2
[2024-12-09 14:04:39:552_R:] +CME ERROR: 516
[2024-12-09 14:04:39:752_S:] AT+QGPSLOC=2
[2024-12-09 14:04:39:762_R:] AT+QGPSLOC=2
[2024-12-09 14:04:39:777_R:] +CME ERROR: 516
[2024-12-09 14:04:41:112_S:] AT+QGPSLOC=1
[2024-12-09 14:04:41:132_R:] AT+QGPSLOC=1
[2024-12-09 14:04:41:132_R:] +CME ERROR: 516
[2024-12-09 14:04:44:681_S:] AT+QGPS=0
[2024-12-09 14:04:44:693_R:] AT+QGPS=0
[2024-12-09 14:04:44:709_R:] OK
[2024-12-09 14:04:47:132_S:] AT+QGPS=1
[2024-12-09 14:04:47:142_R:] AT+QGPS=1
[2024-12-09 14:04:47:182_R:] OK
[2024-12-09 14:04:49:162_R:] DSR:1 CTS:1 (RI:1) DCD:0
[2024-12-09 14:04:49:272_R:] +QGPS: “firmware”,0,0
[2024-12-09 14:04:49:282_R:] DSR:1 CTS:1 (RI:0) DCD:0
[2024-12-09 14:04:54:112_S:] AT+QGPSLOC=0
[2024-12-09 14:04:54:122_R:] AT+QGPSLOC=0
[2024-12-09 14:04:54:142_R:] +CME ERROR: 516
[2024-12-09 14:04:56:377_S:] AT+QGPSLOC=1
[2024-12-09 14:04:56:387_R:] AT+QGPSLOC=1
[2024-12-09 14:04:56:397_R:] +CME ERROR: 516
[2024-12-09 14:04:59:229_S:] AT+QGPSLOC=2
[2024-12-09 14:04:59:237_R:] AT+QGPSLOC=2
[2024-12-09 14:04:59:243_R:] +CME ERROR: 516
[2024-12-09 14:05:03:472_S:] AT+QGPSEND
[2024-12-09 14:05:03:482_R:] AT+QGPSEND
[2024-12-09 14:05:03:497_R:] OK
[2024-12-09 14:05:06:122_S:] AT+QGPS?
[2024-12-09 14:05:06:137_R:] AT+QGPS?
[2024-12-09 14:05:06:137_R:] +QGPS: 0
[2024-12-09 14:05:06:152_R:] OK
[2024-12-09 14:05:10:982_S:] AT+QGPS=1
[2024-12-09 14:05:11:002_R:] AT+QGPS=1
[2024-12-09 14:05:11:050_R:] OK
[2024-12-09 14:05:13:012_R:] DSR:1 CTS:1 (RI:1) DCD:0
[2024-12-09 14:05:13:132_R:] +QGPS: “firmware”,0,0
[2024-12-09 14:05:13:142_R:] DSR:1 CTS:1 (RI:0) DCD:0
[2024-12-09 14:05:16:414_S:] AT+QGPSLOC
[2024-12-09 14:05:16:432_R:] AT+QGPSLOC
[2024-12-09 14:05:16:446_R:] +CME ERROR: 502
[2024-12-09 14:05:19:955_S:] AT+QGPSLOC=0
[2024-12-09 14:05:19:962_R:] AT+QGPSLOC=0
[2024-12-09 14:05:19:967_R:] +CME ERROR: 516
[2024-12-09 14:05:21:972_S:] AT+QGPSLOC=2
[2024-12-09 14:05:21:982_R:] AT+QGPSLOC=2
[2024-12-09 14:05:21:992_R:] +CME ERROR: 516
[2024-12-09 14:05:26:309_S:] AT+QGPS=?
[2024-12-09 14:05:26:312_R:] AT+QGPS=?
[2024-12-09 14:05:26:325_R:] +QGPS: (0-1),(1-255),(0-1000),(0-1000),(1-65535)
how to rectify this.
My email address is nikunj.vadher@rku.ac.in
I want to get new firmware and tool as well. How can I get it.
I want to upgrade my module firmware.
I have sent the latest firmware to you,pls check,and I hope you can click the 
for me,thx
1 Like
Can I have download link
QFlash tool ? And app note to flash new firmware to module ?
Unable to find on quectel
I have sent it to you,pls check
1 Like
Could you provide for that firmware documentaion?
What, do you need the latest firmware version or the AT manual?
I am using the EC200U-CN module in my project for GPS, dual SIM functionality, and AWS Cloud communication.
My current firmware version
[2025-02-05 15:38:47:031_S:] ATI
[2025-02-05 15:38:47:036_R:] ATI
[2025-02-05 15:38:47:044_R:] Quectel
[2025-02-05 15:38:47:044_R:] EC200U
[2025-02-05 15:38:47:044_R:] Revision: EC200UCNAAR02A09M08
Let me know if you need any modifications or further improvements!
I have sent the latest firmware to you,pls check,and I hope you can click the for me,thx
1 Like
Thank you for your prompt response and assistance.
[2025-02-06 10:46:54:909_R:] OK
[2025-02-06 10:46:54:909_S:] ATI
[2025-02-06 10:46:54:925_R:] ATI
[2025-02-06 10:46:54:925_R:] Quectel
[2025-02-06 10:46:54:925_R:] EC200U
[2025-02-06 10:46:54:925_R:] Revision: EC200UCNAAR02A16M08
I have updated the firmware to the version you provided,
[2025-02-06 10:48:02:234_S:] AT+QGPS=1
[2025-02-06 10:48:02:249_R:] AT+QGPS=1
[2025-02-06 10:48:02:281_R:] OK
[2025-02-06 10:48:11:244_S:] AT+QGPS=?
[2025-02-06 10:48:11:244_R:] AT+QGPS=?
[2025-02-06 10:48:11:244_R:] +QGPS: 1,(1-255),(0-1000),(0-1000),(1-65535)
[2025-02-06 10:48:11:244_R:] OK
[2025-02-06 10:48:18:011_S:] AT+QGPSLOC?
[2025-02-06 10:48:18:011_R:] AT+QGPSLOC?
[2025-02-06 10:48:18:011_R:] +CMS ERROR: invalid length
[2025-02-06 10:48:20:275_S:] AT+QGPSLOC=?
[2025-02-06 10:48:20:275_R:] AT+QGPSLOC=?
[2025-02-06 10:48:20:275_R:] +QGPSLOC: ,,,,,,,,,,
[2025-02-06 10:48:20:275_R:] OK
[2025-02-06 10:48:23:923_S:] AT+QGPSLOC=1
[2025-02-06 10:48:23:923_R:] AT+QGPSLOC=1
[2025-02-06 10:48:23:923_R:] +CMS ERROR: invalid length
[2025-02-06 10:48:25:575_S:] AT+QGPSLOC=2
[2025-02-06 10:48:25:575_R:] AT+QGPSLOC=2
[2025-02-06 10:48:25:575_R:] +CMS ERROR: invalid length
[2025-02-06 10:48:27:197_S:] AT+QGPSLOC=3
[2025-02-06 10:48:27:212_R:] AT+QGPSLOC=3
[2025-02-06 10:48:27:212_R:] +CMS ERROR: invalid length
but unfortunately, the GPS is still not functioning as expected.
I have attached the AT command logs for your reference, which detail the steps I have taken and the error messages encountered.
I would greatly appreciate your continued support in troubleshooting this issue.
According to the log analysis you provided, the module supports GNSS function, I suggest you check your hardware design again, including GNSS antenna and so on
Thank you for the suggestion. I’ve tested the module with my previous firmware version, and the GNSS functionality operates as expected.
Please let me know if you have any additional insights or suggestions on this matter.