Conexistence Interface - Quectel FG50V Hardware Design

3.7. Conexistence Interface

FG50V supports 2.4G WWAN & WLAN/BT coexistence (with coexistence UART) and 5G WWAN &
WLAN coexistence.
The following table shows the pin definition of coexistence interface.
Table 9: Pin Definition of Coexistence Interface
Pin Name Pin No.
COEX_TXD 59
COEX_RXD 16
LAA_AS_EN 82
LAA_TXEN 41
LAA_RX 81
WLAN_TXEN 42
PA_MUTE 80
The following figure shows the coexistence interface connection between FG50V and Quectel RG50xQ
series. You can also choose other 5G modules upon validation tests. If you have any questions, please
contact Quectel Technical Support.
FG50V_Hardware_Design
I/O Description
2.4G WWAN & WLAN/BT coexistence
DO
transmit
2.4G WWAN & WLAN/BT coexistence
DI
receive
Allows LAA/n79 to control WLAN xFEM
DI
during WLAN sleep mode
WLAN xFEM control to enable LAA/n79
DI
transmit
DI WLAN xFEM control for LAA/n79 receiver
WLAN xFEM control to enable WLAN
DO
transmit
DI WLAN xFEM control to disable WLAN PA
Figure 8: Coexistence Interface Connection
Wi-Fi&BT Module Series
FG50V Hardware Design
Comment
1.8 V power domain.
If unused, keep these pins
open.
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