The 4G LTE-NA Click Board™ carries the LARA-R204 multi-mode cellular module from u-blox. This version is designed for the North American market.
The board is designed to use a 5V power supply. I/O voltage levels could be 3.3V or 5V. It communicates with the target microcontroller over the UART interface, with additional functionality provided by the following pins on the MikroBUSline: AN, RST, CS, PWM, INT.