Smart Module Series
SC200L_Series(Dual-band Wi-Fi)_Hardware_Design 70 / 111
6
Antenna Interfaces
The module provides four antenna interfaces: 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 32: Pin Definition of Main/Rx-diversity Antenna Interfaces
6.1.1. Module Operating Frequencies
Table 33: SC200L-CE
*
Module 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
LTE-FDD B1
2110
–2170
1920
–1980
MHz
LTE-FDD B3
1805
–1880
1710
–1785
MHz