Smart Module Series
SC200K_Series_Hardware_Design 71 / 105
5
RF Characteristics
5.1. GNSS
The module integrates advanced high-speed engine which supports multiple positioning and navigation
systems including GPS, GLONASS, BDS. With an embedded LNA, the positioning accuracy of the
module has been significantly improved.
5.1.1. Antenna Interface & Frequency Bands
Table 26: Pin Definition of GNSS Antenna Interface
Table 27: Operating Frequency
5.1.2. GNSS Performance
Table 28: GNSS Performance
Pin Name
Pin No.
I/O
Description
Comment
ANT_GNSS
121
AI
GNSS antenna interface
50 Ω impedance.
Type
Frequency Bands
Unit
GPS
1575.42 ±1.023
MHz
GLONASS
1597.5
–1605.8
BDS
1561.098 ±2.046
Parameter
Description
Typ.
Unit
Sensitivity
Acquisition
-146
dBm
Reacquisition
-159