Smart LTE Module Series
SC650T Hardware Design
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6.2. Wi-Fi/BT Antenna Interface
Table 36: Pin Definition of Wi-Fi/BT Antenna Interface
Pin Name
Pin No.
I/O
Description
Comment
ANT_WIFI/BT
129
IO
Wi-Fi/BT antenna interface
50
Ω impedance
Table 37: Wi-Fi/BT Frequency
Type
Frequency
Unit
802.11a/b/g/n/ac
2402~2482
5180~5825
MHz
BT4.2 LE
2402~2480
MHz
A reference circuit design for Wi-Fi
/BT 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
resistors are 0
Ω.
ANT_WIFI/BT
R1 0R
C1
Module
NM
C2
NM
Figure 38: Reference Circuit Design for Wi-Fi/BT Antenna Interface
6.3. GNSS Antenna Interface