Using SIM7020 with Arduino Uno for NB-IoT applications – Software Development / Project Development – GitHub Support Community Engineering and technology notes Jovan Stosic December 5, 2020 suggests that the Adafruit FONA library can be used to talk to SIM7000 – maybe even the SIM7020? Source: Using SIM7020 with Arduino Uno for NB-IoT applications – Software Development / Project Development – GitHub Support Community