Smart Module Series
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6
Antenna Interfaces
SC200R series module provides four antenna interfaces for the main antenna, Rx-diversity antenna,
Wi-Fi/Bluetooth antenna and GNSS antenna respectively. The impedance of the antenna ports should be
controlled to 50
Ω.
6.1. Main/Rx-diversity Antenna Interfaces
The pin definition of main/Rx-diversity antenna interfaces is shown below.
Table 34: Pin Definition of Main/Rx-diversity Antenna Interfaces
The operating frequencies of SC200R series modules are listed in the following tables.
6.1.1. Operating Frequencies
Table 35: SC200R-CE Operating Frequencies
Pin Name
Pin No.
I/O
Description
Comment
ANT_MAIN
87
AIO
Main antenna interface
50
Ω impedance
ANT_DRX
131
AI
Rx-diversity antenna interface
3GPP Band
Receive
Transmit
Unit
EGSM900
925
–960
880
–915
MHz
DCS1800
1805
–1880
1710
–1785
MHz
WCDMA B1
2110
–2170
1920
–1980
MHz
WCDMA B8
925
–960
880
–915
MHz
EVDO/CDMA BC0
869
–894
824
–849
MHz