Datasheet

Hologram Nova Global IoT Cellular USB Modem
Data Sheet and Hardware Reference
Issue 04 (2018-09-07) Page: 5
UART
At Hologram, we believe in providing an open platform for developers to build hardware.
To support this mission, the Nova exposes the u-blox modem's UART interface as
solderable pads on the top half of the board. For more advanced hardware devlopment,
this provides direct access to the u-blox modem which runs at 1.8V
Note: USE UART PADS AT YOUR OWN RISK. Pads are directly connected to the u-blox
modem so using these I/O or improperly handling the board runs the risk of damaging
the u-blox modem. Additionally, we do not officially provide support this interface.