Smart Module Series
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6
Antenna Interfaces
SC206E-CE/EM/NA provides four antenna interfaces for the main, Rx-diversity, Wi-Fi/Bluetooth, and
GNSS antennas respectively, while SC206E-WF provides one antenna interface for Wi-Fi/Bluetooth
antenna only. The impedance of the antenna ports should be controlled to 50
Ω.
6.1. Main Antenna and Rx-diversity Antenna Interfaces
Table 33: Pin Definition of Main/Rx-diversity Antenna Interfaces
6.1.1. Operating Frequency
The operating frequencies of the modules are listed in the following tables.
Table 34: SC206E-CE Operating Frequency
Pin Name
Pin No.
I/O
Description
Comment
ANT_MAIN
87
AIO
Main antenna interface
50
Ω impedance
ANT_DRX
131
AI
Diversity antenna interface
3GPP Bands
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
EV-DO/CDMA BC0
869
–894
824
–849
MHz
LTE-FDD B1
2110
–2170
1920
–1980
MHz