User's Manual

SC20-A_Manual_R1.0 Confidential / Released 18 / 49
6
Antenna Interface
6.1. Main/Rx-diversity Antenna Interface
6.1.1. Pin Definition
Table 6: Pin Definition of the Main/Rx-diversity Antenna
Pin Name Pin No. I/O Description Comment
ANT_MAIN 87 IO
Main antenna 50Ω impedance
6.1.2. Operating Frequency
Table 7: SC20 Module Operating Frequencies
3GPP Band Receive Transmit Unit
GSM850 869-894 824-849 MHz
EGSM900 925-960 880-915 MHz
DCS1800 1805-1880 1710-1785 MHz
PCS1900 1930-1990 1850-1910 MHz
WCDMA Band 1 2110-2170 1920-1980 MHz
WCDMA Band 2 1930-1990 1850-1910 MHz
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.
The main antenna and Rx-diversity antenna pins’ definition are shown below.
ANT_DRX 131 AI Diversity antenna
50Ω impedance