Table of Contents
Advertisement
5
Antenna Interface
SC20-WL antenna interface includes a Wi-Fi/BT antenna. The antenna interface has an impedance of
50Ω.
5.1. Wi-Fi/BT Antenna Interface
The following tables show the Wi-Fi/BT antenna pin's definition and frequency specification.
Table 27: Pin Definition of Wi-Fi/BT Antenna
Pin Name
Pin No.
ANT_WIFI/BT
77
Table 28: Wi-Fi/BT Frequency
Type
802.11a/b/g/n/ac
BT4.2 LE
A reference circuit design for Wi-Fi/BT antenna is shown as below. R1, C1 and C2 are mounted according
to the actual debugging. C1 and C2 are not mounted and a 0Ω resistor is mounted on R1 by default.
Figure 29: Reference Circuit Design for Wi-Fi/BT Anternna
SC20-WL_Hardware_Design
I/O
Description
IO
Wi-Fi/BT antenna
Frequency
2402~2482
5180~5825
2402~2480
R1
ANT_WIFI/BT
C1
NM
Module
Smart Wi-Fi Module Series
SC20-WL Hardware Design
Comment
50Ω impedance
2.4Ghz/
5Ghz
0R
antenna
C2
NM
Unit
MHz
MHz
65 / 81
Advertisement
Table of Contents
