Product Info
Table Of Contents
- About the Document
- Contents
- Table Index
- Figure Index
- 1 Introduction
- 2 Product Concept
- 3 Application Interfaces
- 3.1. General Description
- 3.2. Pin Assignment
- 3.3. Pin Description
- 3.4. Operating Modes
- 3.5. Power Saving
- 3.6. Power Supply
- 3.7. Power-on/off Scenarios
- 3.8. Reset the Module
- 3.9. (U)SIM Interfaces
- 3.10. USB Interface
- 3.11. UART Interfaces
- 3.12. PCM and I2C Interfaces
- 3.13. SPI Interface
- 3.14. Network Status Indication
- 3.15. STATUS
- 3.16. ADC Interface
- 3.17. Behaviors of RI
- 3.18. USB_BOOT Interface
- 4 GNSS Receiver
- 5 Antenna Interfaces
- 6 Electrical, Reliability and Radio Characteristics
- 7 Mechanical Dimensions
- 8 Storage, Manufacturing and Packaging
- 9 Appendix A References
- 10 Appendix B GPRS Coding Schemes
- 11 Appendix C GPRS Multi-slot Classes
- 12 Appendix D EDGE Modulation and Coding Schemes
LTE Standard Module Series
EG91 Hardware Design
EG91_Hardware_Design 12 / 93
2 Product Concept
2.1. General Description
EG91 module is an embedded 4G wireless communication module with receive diversity. It supports LTE-
FDD/WCDMA/GSM wireless communication, and provides data connectivity on LTE-FDD, DC-HSDPA,
HSPA+, HSDPA, HSUPA, WCDMA, EDGE and GPRS networks. It can also provide voice functionality
1)
to meet customers’ specific application demands. The following table shows the frequency bands of EG91
series module.
Table 1: Frequency Bands of EG91 Series Module
1.
1)
EG91 contains Telematics version and Data-only version. Telematics version supports voice
and data functions, while Data-only version only supports data function.
2.
2)
GNSS function is optional.
Module
LTE Bands
(with Rx-diversity)
WCDMA
(with Rx-diversity)
GSM GNSS
2)
EG91-E
FDD:
B1/B3/B7/B8/B20/B28A
B1/B8 900/1800MHz Not supported
EG91-NA FDD: B2/B4/B5/B12/B13 B2/B4/B5 Not supported
GPS, GLONASS,
BeiDou/Compass,
Galileo, QZSS
EG91-NS
FDD:
B2/B4/B5/B12/B13/B25/
B26
B2/B4/B5 Not supported
GPS, GLONASS,
BeiDou/Compass,
Galileo, QZSS
EG91-VX FDD: B4/B13 Not supported Not supported
GPS, GLONASS,
BeiDou/Compass,
Galileo, QZSS
EG91-EX
FDD:
B1/B3/B7/B8/B20/B28
B1/B8 900/1800MHz
GPS, GLONASS,
BeiDou/Compass,
Galileo, QZSS
NOTES