Video transmitter for stack 30x30mm with MMCX connector. VivaFPV VTX supports the SmartAudio 2.1 protocol. With a maximum power of up to 600mW, it is a suitable video transmitter for freestyle copters at a reasonable price. On the one hand, the video transmitter is completely component-free, so the receiver can be glued to it comfortably. The video transmitter has no cover or cooler, however, during the flight, the surrounding air flow can easily cool it.