V53 commands
Source: TA201 instruction explanation V1.3.xlsx and V53--SMS Command.xls. The same
ASCII command can be sent by SMS, as 0x8300 text or as 0x8900 passthrough.
| Purpose | Command | Reply |
|---|---|---|
| Set server | IP,<host>,<port># | IP,<host>,<port>=Success! |
| Query server | IP# | IP,8.8.8.8,8888,0# |
| Set backup server | FIP,<host>,<port># | FIP,...=Success! |
| Use the 808 protocol | PROTOCOL,1# | SUCCESS=PROTOCOL,1# OK |
| Working mode | MODE,<mode>,<seconds>,<gps>,<wifi>,<lbs>,<gprs># | mode=1,time=600,gps=1,wif=1,lbs=1,gprs=1=Success! |
| Query mode | MODE# | MODE,2,180,1,1,1,1,GWL# |
| APN | APN,<apn>,<user>,<password># | APN,...=Success! |
| Upload interval (safe mode) | upload,<seconds># |
The fourth field in the IP# reply (0) is undocumented. Confirm what it means before
the first redirection.
Tracking profiles (to validate on hardware)
These are design targets, not guaranteed firmware behaviour or battery life.
| Profile | Intent | Candidate command |
|---|---|---|
| Normal | position every 5–10 min | MODE,1,600,1,1,1,1# |
| Economy | longer intervals, sleep | MODE,3,...# (power saving) |
| Find My Cat | 15–30 s, temporarily | MODE,1,30,1,1,1,1# |
| Night | battery-optimised | to define after measurements |
Lifecycle in Phimi
queued → sent → acknowledged → succeeded | failed | timed_out. Acknowledged means
the device returned 0x0001 for the frame; only the command's own reply (for example
...=Success! in 0x0900) makes it succeeded.