Smart Module Series
SC262R_Series_Hardware_Design 81 / 115
A reference circuit design for Wi-Fi/Bluetooth antenna interface is shown as below. C1 and C2 are not
mounted by default and t
he resistor is 0 Ω.
ANT_WIFI/BT
R1 0R
C1
Module
NM
C2
NM
Wi-Fi/
B
luetooth
antenna
Figure 31: Reference Circuit Design for Wi-Fi/Bluetooth Antenna
6.3. GNSS Antenna Interface & Frequency Bands
The following tables show the pin definition and frequency specification of GNSS antenna interface.
Table 36: Pin Definition of GNSS Antenna Interface
Table 37: GNSS Frequency
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
BDS
1561.098 ±2.046
MHz
Galileo
1575.42 ±1.023
MHz
NOTE