Rf Performance - Quectel SG865W Series Hardware Design

Figure 28: Reference Design for Wi-Fi/Bluetooth Antenna Interface
NOTE
The dedicated Bluetooth antenna circuit should be reserved for future debugging.

5.2. RF Performance

Table 38: Pin Definition of Wi-Fi/Bluetooth Application Interfaces
Pin Name Pin No.
PA_MUTE 190
WLAN_TXEN 179
LAA_RX 196
LAA_TXEN 185
LAA_AS_EN 129
COEX_RXD 121
COEX_TXD 125
SG865W_Series_Hardware_Design
ANT_WIFI0/
ANT_WIFI1/
ANT_BT
Module
I/O Description
DI Wi-Fi xFEM control to disable Wi-Fi PA
Wi-Fi xFEM control to enable Wi-Fi
DO
transmit
DI Wi-Fi xFEM control for LAA/n79 receiver
Wi-Fi xFEM control to enable LAA/n79
DO
transmit
Allow LAA/n79 to control Wi-Fi xFEM
DI
during Wi-Fi sleep mode
2.4 GHz WWAN & Wi-Fi/Bluetooth
DI
coexistence receive
2.4 GHz WWAN & Wi-Fi/Bluetooth
DO
coexistence transmit
Wi-Fi/Bluetooth
antenna
R1 0R
C2
C1
NM
NM
Smart Module Series
Comment
If unused, connect it to
GND.
If unused, connect it to
GND with a 10 kΩ
resistor.
If unused, connect it to
GND
If unused, connect it to
GND.
If unused, connect it to
GND with a 10 kΩ
resistor.
If unused, connect it to
GND.
If unused, connect it to
GND with a 10 kΩ
resistor.
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