This is an amazing flight controller for Brushless whoop. You could get unbelievable RX and VTX range by using this flight controller.
It comes with onboard SPI ELRS receiver which support ELRS TX module 2.x firmware, and also provide other receiver option like SPI Frsky receiver which support Frsky D8/D16 , REDPINE and SFHSS.
The world first 5-IN-1 AIO flight controller, OPENVTX(up to 400mw), 12A Brushless Blheli_S ESC and Betaflight OSD coming out recently.