通信模块是EC200N-CN，SIM卡是电信5G物联卡，有时候能成功CONNECT，但是只要发送数据就会返回NO CARRIER，有时候无法成功建立TCP透传连接，是因为EC200N-CN不支持5G吗
[19:01:01.866]收←◆
RDY
[19:01:04.318]发→◇AT
□
[19:01:04.325]收←◆AT
OK
[19:01:07.253]发→◇AT+CPIN?
□
[19:01:07.260]收←◆AT+CPIN?
+CPIN: READY
OK
[19:01:09.634]发→◇AT+CEREG?
□
[19:01:09.641]收←◆AT+CEREG?
+CEREG: 0,1
OK
[19:01:12.348]发→◇AT+QICSGP=1,1,"CTNET","","",0
□
[19:01:12.360]收←◆AT+QICSGP=1,1,"CTNET","","",0
OK
[19:01:14.278]发→◇AT+QIACT=1
□
[19:01:14.284]收←◆AT+QIACT=1
OK
[19:01:15.588]发→◇AT+QIOPEN=1,0,"TCP","112.16.93.65",11111,0,2
□
[19:01:15.601]收←◆AT+QIOPEN=1,0,"TCP","112.16.93.65",11111,0,2
[19:01:21.350]收←◆
ERROR