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6
Antenna Interface
SC20 antenna interface includes a main antenna, an Rx-diversity/MIMO antenna, a GNSS antenna and a
Wi-Fi/BT antenna. The antenna interface has an impedance of 50Ω.
6.1. Main/Rx-diversity Antenna Interface
6.1.1. Pin Definition
The main antenna and Rx-diversity antenna pins' definition are shown below.
Table 6: Pin Definition of the Main/Rx-diversity Antenna
Pin Name
Pin No.
ANT_MAIN
87
ANT_DRX
131
6.1.2. Operating Frequency
Table 7: SC20 Module Operating Frequencies
3GPP Band
GSM850
EGSM900
DCS1800
PCS1900
WCDMA Band 1
WCDMA Band 2
SC20-A_Manual_R1.0
I/O
Description
IO
Main antenna
AI
Diversity antenna
Receive
869-894
925-960
1805-1880
1930-1990
2110-2170
1930-1990
Confidential / Released
Comment
50Ω impedance
50Ω impedance
Transmit
824-849
880-915
1710-1785
1850-1910
1920-1980
1850-1910
Unit
MHz
MHz
MHz
MHz
MHz
MHz
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