[2022-02-23 15:03:49:234_R:] ATI
[2022-02-23 15:03:49:234_R:] Quectel
[2022-02-23 15:03:49:234_R:] EP06
[2022-02-23 15:03:49:234_R:] Revision: EP06ELAR03A08M4G
[2022-02-23 15:03:49:234_R:] OK
[2022-02-23 15:03:49:234_S:] AT+QURCCFG=“URCPORT”,“usbat”
[2022-02-23 15:03:49:296_R:] AT+QURCCFG=“URCPORT”,“usbat”
[2022-02-23 15:03:49:296_R:] OK
/* Use AT+CPIN? to query the SIM card status : SIM card inserted or not, locked or unlocked */
[2022-02-23 15:03:49:820_S:] AT+CPIN?
[2022-02-23 15:03:49:882_R:] AT+CPIN?
[2022-02-23 15:03:49:882_R:] +CME ERROR: SIM not inserted
[2022-02-23 15:07:31:880_R:] AT+CSQ
[2022-02-23 15:07:31:880_R:] +CSQ: 13,99