Hello,
I am working with the Quectel BG95-M3 module and trying to enable Power Saving Mode (PSM). I followed the necessary AT command sequence, but the module does not seem to enter PSM mode as expected. Below are the commands I executed:
[2025-04-03 15:48:55] at+cfun=1,1
[2025-04-03 15:48:59]
[2025-04-03 15:48:59] OK
[2025-04-03 15:49:02]
[2025-04-03 15:49:02] RDY
[2025-04-03 15:49:04]
[2025-04-03 15:49:04] APP RDY
[2025-04-03 15:52:10] AT+CEREG?
[2025-04-03 15:52:15]
[2025-04-03 15:52:15] +CEREG: 1,4
[2025-04-03 15:52:15]
[2025-04-03 15:52:15] OK
[2025-04-03 15:52:17] at+cops?
[2025-04-03 15:52:20]
[2025-04-03 15:52:20] +COPS: 0,0,"IND airtel",0
[2025-04-03 15:52:20]
[2025-04-03 15:52:20] OK
[2025-04-03 15:52:54] at+csq?
[2025-04-03 15:52:58]
[2025-04-03 15:52:58] +csq: 23,99
[2025-04-03 15:52:58]
[2025-04-03 15:52:58] OK
[2025-04-03 15:53:21] at+cpsms=1,,,"10100001","00001111"
[2025-04-03 15:54:36]
[2025-04-03 15:54:36] OK
[2025-04-03 15:54:36] at+cpsms?
[2025-04-03 15:54:39]
[2025-04-03 15:54:39] +CPSMS: 1,"01100000","00000000",,"00001111"
[2025-04-03 15:54:39]
[2025-04-03 15:54:39] OK
[2025-04-03 15:54:42] at+cops=?
[2025-04-03 15:55:39]
[2025-04-03 15:55:39] +COPS: (2,"IND airtel","airtel","40498",0),(1,"Vi India","Vi India","40405",0),(1,"CellOne","CellOne","40457",0),,
(0,1,2,3,4),(0,1,2)
[2025-04-03 15:55:39]
[2025-04-03 15:55:39] OK
[2025-04-03 15:56:54] at+qpsms=1,,,"10100001","00001111"
[2025-04-03 15:57:14]
[2025-04-03 15:57:14] OK
[2025-04-03 15:57:17] at+qpsms?
[2025-04-03 15:57:20]
[2025-04-03 15:57:20] +QPSMS: 1,,,,
[2025-04-03 15:57:20]
[2025-04-03 15:57:20] OK
[2025-04-03 15:57:37] AT+QPSMCFG?
[2025-04-03 15:57:38]
[2025-04-03 15:57:38] +QPSMCFG: 100,4
[2025-04-03 15:57:38]
[2025-04-03 15:57:38] OK
[2025-04-03 15:57:47] AT+QPSMEXTCFG?
[2025-04-03 15:57:47]
[2025-04-03 15:57:47] +QPSMEXTCFG: 0,2,120,5,120,3
[2025-04-03 15:57:47]
[2025-04-03 15:57:47] OK
[2025-04-03 15:58:26] AT+QPSMEXTCFG=14,2,120
[2025-04-03 15:58:27]
[2025-04-03 15:58:27] OK
[2025-04-03 15:58:35] AT+QCFG="psm/urc",1
[2025-04-03 15:58:35]
[2025-04-03 15:58:35] OK
[2025-04-03 16:00:11] AT+GMR
[2025-04-03 16:00:14]
[2025-04-03 16:00:14] BG95M3LAR02A03
Despite configuring the PSM settings correctly, the module does not seem to enter PSM mode. I would appreciate guidance on whether I am missing any additional configuration steps or if there are any known issues with this firmware version.
Looking forward to your support.
Thank you.