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LTE-A Module Series
EG18 Hardware Design
EG18_Hardware_Design 72 / 104
5
Antenna Interfaces
EG18 provides a main antenna interface, an Rx-diversity antenna interface, two MIMO antenna interfaces,
and a GNSS antenna interface. The impedance of antenna ports is 50
Ω.
5.1. Main/Rx-diversity/MIMO Antenna Interfaces
5.1.1. Pin Definition
The pin definition of main antenna interface, Rx-diversity antenna interface and MIMO antenna interfaces
is shown as below.
Table 32: Pin Definition of the Main/Rx-diversity/MIMO Antenna Interfaces
5.1.2. Operating Frequencies
Table 33: EG18-EA Operating Frequencies
Pin Name
Pin No.
I/O
Description
Comment
ANT_MAIN
107
IO
Main antenna interface
50Ω impedance
ANT_DIV
127
AI
Rx-diversity antenna interface
50Ω impedance
ANT_MIMO1
101
AI
4×4 MIMO antenna interface
50Ω impedance
ANT_MIMO2
113
AI
4×4 MIMO antenna interface
50Ω impedance
3GPP Band
Transmit
Receive
Unit
WCDMA B1
1920~1980
2110~2170
MHz
WCDMA B3
1710~1785
1805~1880
MHz
WCDMA B5
824~849
869~894
MHz
WCDMA B8
880~915
925~960
MHz