Service Guide
Table Of Contents
- Safety Information
- About the Document
- Contents
- Table Index
- Figure Index
- 1 Introduction
- 2 Product Overview
- 3 Operating Characteristics
- 4 Application Interfaces
- 5 Antenna Interfaces
- 6 Reliability, Radio, and Electrical Characteristics
- 7 Mechanical Information
- 8 Storage, Manufacturing, and Packaging
- 9 Appendix References
LTE Standard Module Series
EG915U_Series_Hardware_Design 42 / 90
SPK_N
0R
0R
SPK_P
Module
Close to Receiver
NF
33 pF
10 pF
33 pF
Differential
layout
0603
TVS
TVS
0R
0R
Figure 18: Reference Design for Receiver Interface
4.2. USB Interface
The module provides an integrated Universal Serial Bus (USB) interface compliant with the USB 2.0
specification and supporting full-speed (12 Mbps) and high-speed (480 Mbps) modes. The USB interface
can only serve as a slave device.
Table 12: Functions of USB Interface
Functions
AT command communication
√
Data transmission
√
Software debugging
√
Firmware upgrade
√