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6
Antenna Interfaces
SC20 series provides four antenna interfaces for the main antenna, Rx-diversity antenna, GNSS antenna
and Wi-Fi/Bluetooth antenna, respectively. The antenna ports have an impedance of 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
6.1.1. Operating Frequency
Table 35: SC20-CE R1.1/-CEL R1.1 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
TD-SCDMA B34 2010–2025 2010–2025 MHz
TD-SCDMA B39 1880–1920 1880–1920 MHz
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