First AT+WMTXPOWER or AT+WMRXPOWER after boot, fails - known bug?

[david.king]

Hi Cherokee,

I’ll try. But I suspect that won’t work, given that the installer would appear to support USB connection only, from PC to HL7692, not UART connection as we have. See topic as below. In particular Vianney’s post just now.

The same AT+RMTXPOWER commands work sometimes but not others

Hi Vianney, Hmmm, OTA upgrade wouldn’t be an option for us on our production lines, as it would geographically constrain production to areas of the world where there is HL7692 Cellular network coverage. In any case production line OTA upgrade would take too long and be of variable duration dependant on Cellular network conditions. The HL7692 itself would seem to support firmware upgrade via UART as well as USB (see +BOOTDWLCFG command within AirPrime_HL76xx_AT_Commands_Interface_Guide_Rev13_0.…

Best regards,

David