Hi there,
I’ve been working with this model for a few weeks and there is a problem I can’t manage to solve. Whenever I connect using LTE tech, the signal keeps dropping and recovering again. The provider is Movistar (Spain), and usually it connects on B3(1800+)
There is no aux antenna, so !RXDEN is 0.
Any suggestions would be appreciated. Thanks so much,
Jose
Hi @jpeiro.p
Could you please provide some information about your module and SIM card using below commands?
AT!ENTERCND=“A710”
ATI3
AT+CPIN?
AT!BAND?
AT+CGDCONT?
AT!SELRAT?
AT!GSTATUS?
AT+COPS?
AT+COPS=?
AT!IMPREF?
AT!IMAGE?
AT!CUSTOM?
AT!PCINFO?
AT!GETBAND?
I believe both main and aux antennas are required for LTE. The MC7455 PTS is misleading. Look at e.g. the EM7565 PTS instead, where there is a proper warning about using !RXDEN ouside the lab:
Important: LTE networks expect modules to have more than one antenna enabled for proper
operation. Therefore, customers must not commercially deploy their systems with the diversity
antenna disabled.