FlyFishRC recently updated their FPV frames to support the new DJI O4 Pro Air Unit, offering compatibility kits for existing O3 setups.The DJI O4 Pro Air Unit has a different transmission module and camera compared to the O3, impacting frame compatibility.All FlyFishRC frames natively support both O3 and O4 VTXs but require different camera cages for each camera type.The Volador II and Tony 5 frames have been upgraded to support O4, with conversion kits available for Atlas 4 and Tony 5.FlyFish strives for innovation in the FPV industry, focusing on precision, performance, and creative freedom for pilots.The FlyFish Volador series now supports the DJI O4 Pro Air Unit, with upgrade kits offered for existing frame users.FlyFish Volador frames are known for their durability, weight balance, and ease of assembly for different flying styles.The Fifty5 O4 frame is a lightweight option compatible with 5 and 5.5" propellers, priced at $52.90 for the standalone kit.Upgrade kits are available for Atlas 4 and Tony 5 frames, allowing users to switch from O3 to O4 camera mounts for better compatibility.FirstQuadcopter provides unbiased reviews of high-tech products, including drones and accessories, to help consumers make informed decisions.