The Hologram Nova is a cellular modem purpose-built for IoT development with single board computer compatibility and Hologram software tools.
Nova brownouts can occur if the power source is not rated for at least 2.4 Amps. We also recommend a power supply that maintains a voltage 4.7V to the USB to prevent any brownouts or blackouts.
If you are experiencing these issues with an R410 Cat-M1 Nova make sure that you are using the latest compatible firmware by following the instructions on this page: Update the Cat-M1 R410 Nova's Firmware
Note: the Hologram Nova is no longer in production.