The S100 Slave – NB IoT BC95 v1.0 is a certified Slave module that contains a NB-IoT module. It supports multiple frequency bands of B5/B8/B20/B28. It has extremely low power consumption. The main IC of this module is the NB-IoT BC95 provided by Quectel. more information of this IC see the page:

Documentation and Schematics