NB-IoT Module Series
BC66 Hardware Design
BC66_Hardware_Design 7 / 59
1 Introduction
This document defines the BC66 module and describes its air interface and hardware interface which are
connected with the customers’ applications.
This document helps customers quickly understand the interface specifications, electrical and mechanical
details, as well as other related information of the module. To facilitate application designs, it also includes
some reference designs for customers’ reference. The document, coupled with application notes and user
guides, makes it easy to design and set up mobile applications with BC66.