我正在FreematicsONE设备中使用SIM800L模块。以前，此方法运行良好，并且我能够发送和接收UDP和TCP数据。
今天我想继续工作，但是经过一段时间的网络搜索（发送SIM卡PIN后约15秒），该模块完全变得安静。在此之前，一切正常。
我已经尝试使用AT+CFUN=1,1，ATZ和AT&F进行重置，但这没有帮助。
那会是什么？自几周前开始工作以来，我没有修改硬件。我该如何解决？
以下是与模块通信的CuteCom日志：
[20:27:01:194] ATI␍␍␊
[20:27:01:196] SIM800 R14.18␍␊
[20:27:01:196] ␍␊
[20:27:01:199] OK␍␊
[20:27:12:233] AT+CPIN?␍␍␊
[20:27:12:234] +CPIN: SIM PIN␍␊
[20:27:12:238] ␍␊
[20:27:12:238] OK␍␊
[20:27:19:967] AT+CREG?␍␍␊
[20:27:19:968] +CREG: 0,0␍␊
[20:27:19:973] ␍␊
[20:27:19:973] OK␍␊
[20:27:31:155] AT&V␍␍␊
[20:27:31:157] DEFAULT PROFILE␍␊
[20:27:31:162] S0: 0␍␊
[20:27:31:162] S3: 13␍␊
[20:27:31:162] S4: 10␍␊
[20:27:31:162] S5: 8␍␊
[20:27:31:162] S6: 2␍␊
[20:27:31:162] S7: 6: 0␍␊
[20:27:31:162] +CIURC: 1␍␊
[20:27:31:172] +CFGRI: 2␍␊
[20:27:31:172] +CMTE: 0␍␊
[20:27:31:172] +CANT: 0,0,10␍␊
[20:27:31:172] +STKPDT: 0␍␊
[20:27:31:172] +CSMINS: 0␍␊
[20:27:31:172] +EXUNSOL: 0␍␊
[20:27:31:172] +FSHEX: 0␍␊
[20:27:31:172] +FSEXT: 0␍␊
[20:27:31:172] +IPMGF: 0␍␊
[20:27:31:172] +CNMI: 2,1,0,0,0␍␊
[20:27:31:184] +CSCS: "IRA"␍␊
[20:27:31:184] +VTD: 1␍␊
[20:27:31:184] +CALS: 17: 60␍␊
[20:27:31:184] S8: 2␍␊
[20:27:31:184] S10: 15␍␊
[20:27:31:184] +CRLP: 61,61,48,6␍␊
[20:27:31:184] V: 1␍␊
[20:27:31:184] E: 1␍␊
[20:27:31:184] Q: DS: 64,64,64,800,3000,300␍␊
[20:27:31:184] +CSDT: 0␍␊
[20:27:31:184] +CSMINS: 0␍␊
[20:27:31:218] +EXUNSOLAT+CSCLK?␍␍␊
[20:27:40:017] +CSCLK: 0␍␊
[20:27:40:044] ␍␊
[20:27:40:044] OK␍␊
[20:28:12:104] AT+GSV␍␍SIMCOM_Ltd␍␊
[20:28:12:106] SIMCOM_SIM800L␍␊
[20:28:12:134] Revision:1418B04SIM800L24␍␊
[20:28:12:134] ␍AT+CBC␍␍␊
[20:28:44:054] +CBC: 0,92,4136␍␊
[20:28:44:080] ␍␊
[20:28:44:080] OK␍␊
[20:28:58:404] AT␍␍␊
[20:28:58:414] OK␍␊
[20:29:00:622] AT␍␍␊
[20:29:00:632] OK␍␊
[20:29:02:840] AT␍␍␊
[20:29:02:851] OK␍␊
[20:29:06:554] AT+CPIN=2198␍␍␊
[20:29:06:556] OK␍␊
[20:29:06:580] ␍␊
[20:29:06:580] +CPIN: READY␍␊
[20:29:10:209] ␍␊
[20:29:10:219] Call Ready␍␊
[20:29:10:219] ␍␊
[20:29:10:219] SMS Ready␍␊
[20:29:11:341] AT+CREG?␍␍␊
[20:29:11:343] +CREG: 0,2␍␊
[20:29:11:365] ␍␊
[20:29:11:365] OK␍␊
[20:29:12:540] AT+CREG?␍␍␊
[20:29:12:542] +CREG: 0,2␍␊
[20:29:12:561] ␍␊
[20:29:12:561] OK␍␊
[20:29:14:775] AT+CREG?␍␍␊
[20:29:14:776] +CREG: 0,2␍␊
[20:29:14:795] ␍␊
[20:29:14:795] OK␍␊
[20:29:15:907] AT+CREG?␍␍␊
[20:29:15:909] +CREG: 0,2␍␊
[20:29:15:930] ␍␊
[20:29:15:930] OK␍␊
[20:29:18:142] AT+CREG?␍␍␊
[20:29:18:143] +CREG: 0,2␍␊
[20:29:18:164] ␍␊
[20:29:18:164] OK␍␊
[20:29:19:274] AT+CREG?␍␍␊
[20:29:19:276] +CREG: 0,2␍␊
[20:29:19:297] ␍␊
[20:29:19:297] OK␍␊
[20:29:20:408] AT+CREG?␍␍␊
[20:29:20:409] +CREG: 0,2␍␊
[20:29:20:427] ␍␊
[20:29:20:427] OK␍␊
[20:29:21:541] AT+CREG?␍␍␊
[20:29:21:543] +CREG: 0,2␍␊
[20:29:21:564] ␍␊
[20:29:21:564] OK␍␊
[20:29:22:675] AT+CREG?␍␍␊
[20:29:22:677] +CREG: 0,2␍␊
[20:29:22:677] ␍␊
[20:29:22:699] OK␍␊
[20:29:23:809] AT+CREG?␍␍␊
[20:29:23:810] +CREG: 0,2␍␊
[20:29:23:828] ␍␊
[20:29:23:828] OK␍␊
[20:29:24:949] AT+CREG?␍␍␊
[20:29:24:950] +CREG: 0,2␍␊
[20:29:24:970] ␍␊
[20:29:24:970] OK␍␊