Add web GUI, docs, scripts, and 5G router config
- Web app (Flask): status, config, firewall, logs, users, restart - Docs: AT commands, deploy, DNS, quickstart, web GUI - Scripts: connect, deploy, diag, healthcheck, modem-status, speedtest, status, troubleshoot - Init and iptables: 5g-router, 5g-webgui, rules.v4 - CHANGELOG, TODO, REVISION; config and README updates
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docs/AT_COMMANDS_REFERENCE.md
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docs/AT_COMMANDS_REFERENCE.md
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# Fibocom FM350-GL AT Commands Reference
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Complete list of AT commands from **Fibocom FM350 AT Commands User Manual V2.10** (2023).
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Source: `Fibocom_FM350_AT Commands User Manual_V2.10.pdf` in this repo.
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**Tip:** To get the modem’s own list at runtime, use **`AT+CLAC`** (List of All Available AT Commands).
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---
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## Sending AT commands (FM350-GL)
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```bash
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cat /dev/ttyUSB1 & CAT_PID=$!
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sleep 0.3
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echo -e 'YOUR_COMMAND\r' > /dev/ttyUSB1
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sleep 2
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kill $CAT_PID 2>/dev/null
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```
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Use `/dev/ttyUSB1` when modem is in **USB Mode 40** (0e8d:7126). In Mode 41, AT commands do not work.
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**If AT commands get no response:** run **`/usr/local/bin/diag-at-port.sh`** on the device to check serial ports, permissions, and which port responds to `AT`. See WEBGUI.md → Troubleshooting: No modem AT data.
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---
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## 1. Basic / test
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| Command | Description |
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|---------|-------------|
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| `AT` | Test communication (expect `OK`) |
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| `ATE0` / `ATE1` | Disable / enable command echo |
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| `A/` | Repeat last command |
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---
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## 2. Modem information (Ch. 3)
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| Command | Description |
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|---------|-------------|
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| `AT+CGMI` / `AT+GMI` | Manufacturer ID |
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| `AT+CGMM` / `AT+GMM` | Model ID |
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| `AT+CGMR` / `AT+GMR` | Revision / firmware version |
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| `AT+CGSN` / `AT+GSN` | IMEI (product serial number) |
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| `AT+CIMI` | IMSI |
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| `AT+CNUM` | MSISDN(s) (phone number) |
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| `AT+CCID` / `AT+ICCID` | SIM ICCID |
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| `AT+EID` | eSIM EID |
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| **`AT+CLAC`** | **List of all available AT commands** |
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| `AT+SIMTYPE` | Current SIM type |
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| `AT+CFSN` | Factory serial number |
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| `AT+GTGATR` | Answer to Reset (ATR) info |
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| `AT+GTAPPVER` | sAP firmware version |
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| `AT+GTBASELINEVER` | Baseline version |
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| `AT+GTPKGVER` | Firmware package version |
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| `AT+GTMCFWVER` | Firmware original version |
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| `AT+GTCUSTPACKVER` | Operator image version |
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| `AT+GTCFGELEMVER` | Customized image version |
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| `AT+GTCUSTDATAVER` | Device parameters image version |
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| `AT+GTCURCAR` | Current carrier ID and name |
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| `AT+GTLOCKCAR` | Carrier lock mode |
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| `AT+GTESIMCFG` | eSIM function |
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---
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## 3. Modem control (Ch. 4)
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| Command | Description |
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|---------|-------------|
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| `AT+CFUN` | Phone functionality (e.g. reset: `AT+CFUN=1,1`) |
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| `AT+GTDUALSIM` | Dual SIM switch |
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| `AT+CMEC` | Mobile termination control mode |
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| `AT+CMER` | Mobile termination event reporting |
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| `AT+EFUN` | Functionality for multiple SIM |
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| `AT+MSMPD` | SIM hot plug enable/disable |
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| `AT+CPWROFF` | Switch off MS |
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---
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## 4. Call control (Ch. 5)
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| Command | Description |
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|---------|-------------|
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| `ATD` | Dial (data call) |
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| `ATH` | Hang up |
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| `AT+CUSD` | Unstructured Supplementary Service Data (USSD) |
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---
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## 5. Phone book & clock (Ch. 6–7)
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| Command | Description |
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|---------|-------------|
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| `AT+CPBS` | Select phone book memory |
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| `AT+CPBR` | Read phone book entries |
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| `AT+CPBF` | Find phone book entries |
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| `AT+CPBW` | Write phone book entry |
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| `AT+CCLK` | Read/set system date and time |
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---
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## 6. SMS (Ch. 8)
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| Command | Description |
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|---------|-------------|
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| `AT+CSCS` | Character set |
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| `AT+CSMS` | Select message service |
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| `AT+CPMS` | Preferred message storage |
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| `AT+CMGF` | Message format (0=PDU, 1=text) |
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| `AT+CSCA` | SMS centre address |
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| `AT+CSMP` | Set SMS text mode parameters |
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| `AT+CSDH` | Show SMS text mode parameters |
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| `AT+CNMI` | New message indications |
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| `AT+CNMA` | New message acknowledgement |
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| `AT+CMGL` | List messages |
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| `AT+CMGR` | Read message |
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| `AT+CMSS` | Send message from storage |
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| `AT+CMGW` | Write message to storage |
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| `AT+CMGD` | Delete message |
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| `AT+CGSMS` | Select service for MO SMS |
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| `AT+CMGS` | Send message |
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| `AT+CSAS` | Save SMS settings |
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| `AT+CRES` | Restore SMS settings |
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| `AT+CMMS` | More messages to send |
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| `AT+CSCB` | Select cell broadcast messages |
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---
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## 7. SIM / security (Ch. 10)
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| Command | Description |
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|---------|-------------|
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| `AT+CPIN` | PIN management (e.g. PIN enter) |
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| `AT+CPWD` | Change password |
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| `AT+CLCK` | Facility lock |
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| `AT+CSIM` | Generic SIM access (transmit) |
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| `AT+CRSM` | Restricted SIM access |
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---
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## 8. Network (Ch. 11)
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| Command | Description |
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|---------|-------------|
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| `AT+CSQ` | Signal quality (RSSI) |
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| `AT+CESQ` | Extended signal quality (5G: ss_rsrq, ss_rsrp, ss_sinr) |
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| `AT+CREG` | Network registration status (2G/3G) |
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| `AT+CGREG` | GPRS registration |
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| `AT+CEREG` | EPS (LTE/5G) registration |
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| `AT+COPS` | Operator selection |
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| `AT+CPOL` | Preferred operator list |
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| `AT+COPN` | Operator names |
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| `AT+CEMODE` | RAT mode (e.g. LTE/5G preference) |
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| `AT+PACSP` | RAT priority / URC |
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| `AT+ERAT` | RAT (radio access technology) |
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| `AT+EPBSEH` | (RAT / band related) |
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| `AT+EPRATL` | (RAT list) |
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| `AT+GTACT` | Active RAT / band info |
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| `AT+GTCCINFO` | Cell / connection info |
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| `AT+GTCAINFO` | Carrier aggregation info |
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---
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## 9. GPRS / PDP context (Ch. 12) – data connection
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| Command | Description |
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|---------|-------------|
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| `AT+CGDCONT` | Define PDP context (set APN, etc.) |
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| `AT+CGATT` | Packet domain attach/detach |
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| `AT+CGACT` | PDP context activate/deactivate |
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| `AT+CGPADDR` | Show PDP addresses (assigned IP) |
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| `AT+CGEQREQ` | QoS profile (requested) |
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| `AT+CGCMOD` | PDP context modify |
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| `AT+CGDATA` | Enter data state |
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| `AT+CGDSCONT` | Define secondary PDP context |
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| `AT+CGCONTRDP` | PDP context read dynamic parameters (IP, DNS, MTU) |
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| `AT+CGSCONTRDP` | Secondary context read dynamic parameters |
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| `AT+CGTFTRDP` | (Context read dynamic parameters) |
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| `AT+CSCON` | Connection state (e.g. 5G NR state) |
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| `AT+EIAAPN` | (APN / interworking) |
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| `AT+E5GOPT` | 5G option |
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| `AT+EAPNACT` | APN activation |
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| `AT+GTDNS` | Get/set DNS for context |
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---
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## 10. Hardware / platform (Ch. 13)
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| Command | Description |
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|---------|-------------|
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| **`AT+GTUSBMODE`** | **USB mode (40 = RNDIS, 41 = extended)** |
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| `AT+GTFMODE` | (Firmware / feature mode) |
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| `AT+GTDIPCMODE` | Dual IPC mode |
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| `AT+GTREGWRITE` | Register write (platform) |
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| `AT+GTRXPATHEN` | Rx path enable |
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| `AT+GTTXPWR` | Max TX power |
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| `AT+GTSAR3DBFB` | 3 dB per CC power setback (SAR) |
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---
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## 11. Body SAR (Ch. 14)
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| Command | Description |
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|---------|-------------|
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| `AT+BODYSAREN` | Enable/disable body SAR |
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| `AT+BODYSARMODE` | Control mode |
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| `AT+BODYSARRULE` | Regulatory rule |
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| `AT+BODYSARTRIGIDX` | SAR table trigger index |
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| `AT+BODYSARON` | Trigger SAR (SW mode) |
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| `AT+BODYSARPROFILE` | SAR table index to modify |
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| `AT+BODYSARCFG` | Max TX power limit (antenna combination) |
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| `AT+BODYSARVER` | SAR NVM version |
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---
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## 12. TA-SAR (Ch. 15)
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| Command | Description |
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|---------|-------------|
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| `AT+GTTASEN` | Enable/disable TA-SAR |
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| `AT+GTTASMODE` | Control mode |
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| `AT+GTTASRULE` | Regulatory rule |
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| `AT+GTTASCTRL` | TA-SAR control parameters |
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| `AT+GTTASTRIGIDX` | SAR table trigger index |
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| `AT+GTTASON` | Trigger TA-SAR (SW mode) |
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| `AT+GTTASPROFILE` | SAR table index to modify |
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| `AT+GTTASCFG` | Max TX power limit (antenna combination) |
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| `AT+GTTASCLEAR` | Clear TA-SAR config |
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| `AT+GTTASSTATE` | Current TA-SAR state |
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| `AT+GTTASVER` | SAR NVM version |
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| `AT+GTTASPLMNEN` | PLMN switch TA-SAR algorithm |
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---
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## 13. Tunable antenna (Ch. 16)
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| Command | Description |
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|---------|-------------|
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| `AT+GTANTTUNINGEN` | Enable/disable tunable antenna |
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| `AT+GTANTTUNEMODE` | GPO/MIPI tuning mode |
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| `AT+GTANTCTRLMODE` | SW/HW tuning control |
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| `AT+GTANTPROFILE` | Effective profile (SW mode) |
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| `AT+GTANTGPOCFG` | GPO tuning values |
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| `AT+GTANTTUNERCFG` | Tuner register value |
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| `AT+GTANTMIPICFG` | MIPI tuning value |
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---
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## 14. FCC lock (Ch. 17)
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| Command | Description |
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|---------|-------------|
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| `AT+GTFCCLOCKMODE` | FCC lock/unlock mode |
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| `AT+GTFCCLOCKSTATE` | FCC lock/unlock state |
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| `AT+GTFCCEFFSTATUS` | Current FCC status |
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| `AT+GTFCCLOCKGEN` | Modem challenge (FCC lock) |
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| `AT+GTFCCLOCKVER` | FCC lock verify challenge |
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---
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## 15. Thermal (Ch. 18)
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| Command | Description |
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|---------|-------------|
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| `AT+GTTHERMAL` | Fibocom thermal management on/off |
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| `AT+GTTHMLEN` | Actuator feature enable |
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| `AT+GTSENRDTEMP` | Thermal sensor current |
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| `AT+GTZONERDMAXTEMP` | Thermal zone max temperature |
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| `AT+GTACTRDLEVEL` | Actuator current level |
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| `AT+GTTHMLTIMER` | Thermal time interval |
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| `AT+GTTHMLTIMES` | Thermal management running time |
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| `AT+GTZONEWRTHD` | Write zone threshold |
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| `AT+GTZONERDTHD` | Read zone threshold |
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---
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## 16. GNSS (Ch. 19)
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| Command | Description |
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|---------|-------------|
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| `AT+GTGPSSWITCH` | GNSS enable/disable |
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| `AT+GTGPSPOWER` | GNSS power control |
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| `AT+GTGPSDELAID` | Start mode (e.g. A-GPS) |
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---
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## 17. Error reporting (Ch. 20)
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| Command | Description |
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|---------|-------------|
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| `AT+CMEE` | Mobile equipment error report (0/1/2) |
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| `AT+CEER` | Extended error report |
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---
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## Commands used in this project
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| Command | Use |
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|---------|-----|
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| `AT` | Connectivity test |
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| `AT+CSQ` | Signal strength (e.g. status/healthcheck) |
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| `AT+CGDCONT=1,"IP","<APN>"` | Set APN |
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| `AT+CGDCONT?` | Read PDP context (APN) |
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| `AT+CGACT=1,1` | Activate PDP context 1 |
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| `AT+CGPADDR=1` | Get modem IP |
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| `AT+CGCONTRDP=1` | Get DNS, MTU, connection params |
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| `AT+GTUSBMODE?` | Check USB mode |
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| `AT+GTUSBMODE=?` | List supported USB modes |
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| `AT+GTUSBMODE=40` | Set RNDIS (Mode 40) |
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| `AT+CFUN=1,1` | Full reset modem |
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For full syntax, parameters, and response codes see **Fibocom_FM350_AT Commands User Manual_V2.10.pdf**.
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