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A reference circuit design for Wi-Fi/Bluetooth antenna interface is shown as below. A π-type matching
circuit is recommended to be reserved for better RF performance. The capacitors are not mounted by
default and the resistor is 0 Ω.
Figure 31: Reference Circuit Design for Wi-Fi/Bluetooth Antenna Interface
6.3. GNSS Antenna Interface
Table 38: Pin Definition of GNSS Antenna
Pin Name
Pin No.
ANT_GNSS
121
Table 39: GNSS Frequencies
Type
GPS
GLONASS
BeiDou
SC200L_Series(Dual-band Wi-Fi)_Hardware_Design
ANT_WIFI/BT
Module
I/O
Description
AI
GNSS antenna interface
Frequency
1575.42 ± 1.023
1597.5–1605.8
1561.098 ± 2.046
R1
0R
C2
C1
NM
NM
Comment
50 Ω impedance.
Smart Module Series
Unit
MHz
MHz
MHz
74 / 111
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