Product Info

Wi-Fi&BT Module Series
FG50V Hardware Design
FG50V_Hardware_Design 29 / 54
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. I/O Description Comment
COEX_TXD 59 DO
2.4G WWAN & WLAN/BT coexistence
transmit
1.8 V power domain.
If unused, keep these pins
open.
COEX_RXD 16 DI
2.4G WWAN & WLAN/BT coexistence
receive
LAA_AS_EN 82 DI
Allows LAA/n79 to control WLAN xFEM
during WLAN sleep mode
LAA_TXEN 41 DI
WLAN xFEM control to enable LAA/n79
transmit
LAA_RX 81 DI WLAN xFEM control for LAA/n79 receiver
WLAN_TXEN 42 DO
WLAN xFEM control to enable WLAN
transmit
PA_MUTE 80 DI WLAN xFEM control to disable WLAN PA
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.
Figure 8: Coexistence Interface Connection