Smart Module Series
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A reference circuit design for Wi-Fi/Bluetooth antenna interface is shown as below. C1 and C2 are not
mounted by default and the resistor is 0 Ω.
ANT_WIFI/BT
R1 0R
C1
Module
NM
C2
NM
Wi-Fi/
B
luetooth
antenna
Figure 30: Reference Circuit Design for Wi-Fi/Bluetooth Antenna
6.3. GNSS Antenna Interface
The following tables show the pin definition and frequency specification of GNSS antenna interface.
Table 41: Pin Definition of GNSS Antenna Interface
Table 42: GNSS Frequency
SC200R-WF/SC262R-WF does not support GNSS.
Pin Name
Pin No.
I/O
Description
Comment
ANT_GNSS
121
AI
GNSS antenna interface
50
Ω impedance
Type
Frequency
Unit
GPS
1575.42 ±1.023
MHz
GLONASS
1597.5
–1605.8
MHz
BeiDou
1561.098 ±2.046
MHz
Galileo
1575.42 ±1.023
MHz
NOTE