OpenIPC x WFB-ng has Automatic TX diversity feature.
This video shows comparison of 1 and 2 wifi module( RTL8812AU ) receivers in 1080p60fps, Tx power override 30.
This video is captured in M1 macbook air monitor ( 2560 x 1600 ) by OBS studio, converted from iMovie for 1080p.

* Air Unit
- CAM: Sigmastar ssc338q + Sony imx415
- WiFi : RTL8812AU ( model : BL-R8812AF1-A ) with 2pcs * 1dbi tube antenna
- majestic.yaml : H265, cbr, bitrate 4096, gopSize 1.5, size 1920x1080, minQp 12, maxQp 48
- wfb.conf : driver_txpower_override=30, stbc 1, ldpc 1, mcs_index 2

* Ground Station
- Laptop : M1 macbook air ( asahi-ubuntu OS )
- WiFi :
#1 receiver : RTL8812AU ( model : NEXT 1200AC ) with 5dbi omni & 14dbi directional antenna
#2 receiver : RTL8812AU ( model : BL-R8812AF1-A ) with 5dbi omni & 14dbi directional antenna
- WFB-ng ( wifibroadcast ), Gsteamer ( play video ), MAVProxy ( custom osd ), OBS studio ( record screen ), iMovie ( convert to youtube video )

* Drone, Receiver and Transmitter
- Frame : PAVO20 frame
- FC / RX : BETAFPV F4 2-3S 20A AIO FC V1 / Internal 2.4G ELRS RX
- Motor : EMAX 7500kv * 4 pcs
- Prop : Gemfan D51 2020 5B * 4pcs
- Battery : Dogcom 3s 560mAh Lipo
- Transmitter : Radiomaster TX12 MK2 ELRS