Product Info

LTE-A Module Series
EM121R-GL Hardware Design
EM121R-GL Hardware Design 12 / 80
1 Introduction
1.1. Introduction
The hardware design defines EM121R-GL and describes the air and hardware interfaces which are
connected with customers’ applications.
This document helps you quickly understand the interface specifications, electrical and mechanical
details, as well as other related information of EM121R-GL. To facilitate its application in different fields,
reference design is also provided for reference. Associated with application notes and user guides, you
can use the module to design and set up mobile applications easily.
This document is applicable to the EM121R-GL module.
1.2. Reference Standard
The module complies with the following standards:
⚫ PCI Express M.2 Specification Revision 2.0, Version 1.2
⚫ PCI Express Base Specification Revision 2.0
⚫ Universal Serial Bus Specification, Revision 3.0
⚫ ISO/IEC 7816-3
⚫ MIPI Alliance Specification for RF Front-End Control Interface version 2.0
⚫ 3GPP TS 27.007 and 3GPP 27.005
⚫ 3GPP TS 34.121-1
⚫ 3GPP TS 36.521-1