Antenna Interfaces; Main/Rx-Diversity Antenna Interfaces; Operating Frequency - Quectel SC20 Series Hardware Design
Hide thumbs
Also See for SC20 Series:
- User manual (30 pages) ,
- Manual (51 pages) ,
- Charging user manual (15 pages)
Table of Contents
Advertisement
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
Pin Name
Pin No.
ANT_MAIN
87
ANT_DRX
131
6.1.1. Operating Frequency
Table 35: SC20-CE R1.1/-CEL R1.1 Operating Frequencies
3GPP Band
EGSM900
DCS1800
WCDMA B1
WCDMA B8
EVDO/CDMA BC0
TD-SCDMA B34
TD-SCDMA B39
SC20_Series_Hardware_Design
I/O
Description
AIO
Main antenna interface
Rx-diversity antenna
AI
interface
Receive
925–960
1805–1880
2110–2170
925–960
869–894
2010–2025
1880–1920
Smart Module Series
Comment
50 Ω impedance
Transmit
880–915
1710–1785
1920–1980
880–915
824–849
2010–2025
1880–1920
Unit
MHz
MHz
MHz
MHz
MHz
MHz
MHz
75 / 133
Advertisement
Table of Contents
