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 56 / 90
5 Antenna Interfaces
The module provides a main antenna interface and a Bluetooth/Wi-Fi Scan antenna interface. The
impedance of antenna ports is 50 Ω.
5.1. Main Antenna and Bluetooth/Wi-Fi Scan Antenna Interfaces
5.1.1. Pin Definition
Table 29: Pin Definition of RF Antennas
5.1.2. Operating Frequency
Table 30: Operating Frequency of EG915U-CN
Pin Name Pin No. I/O Description Comment
ANT_MAIN 60 AIO Main antenna interface 50 Ω impedance.
ANT_BT/WIFI_SCAN 56 AIO
The shared interface for
Bluetooth and Wi-Fi Scan
Bluetooth and Wi-Fi Scan
cannot be used
simultaneously; Wi-Fi
Scan can only receive but
not transmit.
50 Ω impedance.
If unused, keep it open.
Operating Frequency Transmit (MHz) Receive (MHz)
GSM900 880-915 925-960
DCS1800 1710-1785 1805-1880
LTE-FDD B1 1920-1980 2110-2170
LTE-FDD B3 1710-1785 1805-1880
LTE-FDD B5 824-849 869-894