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 88 / 93
PCB Printed Circuit Board
PDU Protocol Data Unit
PPP Point-to-Point Protocol
QAM Quadrature Amplitude Modulation
QPSK Quadrature Phase Shift Keying
RF Radio Frequency
RHCP Right Hand Circularly Polarized
Rx Receive
SMS Short Message Service
TDD Time Division Duplexing
TX Transmitting Direction
UL Uplink
UMTS Universal Mobile Telecommunications System
URC Unsolicited Result Code
(U)SIM (Universal) Subscriber Identity Module
Vmax Maximum Voltage Value
Vnorm Normal Voltage Value
Vmin Minimum Voltage Value
V
IH
max Maximum Input High Level Voltage Value
V
IH
min Minimum Input High Level Voltage Value
V
IL
max Maximum Input Low Level Voltage Value
V
IL
min Minimum Input Low Level Voltage Value
V
I
max Absolute Maximum Input Voltage Value
V
I
min Absolute Minimum Input Voltage Value
V
OH
in Minimum Output High Level Voltage Value