In this analysis we'll take a closer look at the Caddx Polar Air Unit Kit HD Digital System, a 5.8GHz transmitter designed for DJI Goggles that features a 720P/60fps FPV camera and an 8 Mega Starlight Sensor.
With a built-in DVR video recording function and dual antenna for better signal reception, this system offers a low-latency HD image transmission and exceptional video quality.

One of the most distinctive aspects of the Caddx Polar Air Unit Kit is its 1/1.8 inch HD digital starlight sensor with 0.00003Lux illumination. This feature ensures that the camera captures clear high-quality images even in low-light conditions. The dual antenna design provides excellent signal reception, making it suitable for use in various environments. The built-in DVR video recording function allows you to store up to 128G of footage, providing you with ample space to capture and review your flights. Additionally, the 32ms/4km low latency HD image transmission ensures that the video feed is smooth and stable.

The advantages outweigh any known drawbacks with the Caddx Polar Air Unit Kit HD Digital System. The standout feature is the high-quality 720p/60fps video recorded by the DJI FPV Goggles which allows you to see every detail of your flight. The dual antenna system provides excellent signal reception, ensuring you maintain a stable connection throughout your flight. The built-in DVR video recording function is also a significant advantage, allowing you to store high-quality footage for later review. The only real disadvantage is the limited range of 4km, which may not be suitable for some long-range flights.

To summarize the Caddx Polar Air Unit Kit HD Digital System is a top performer when it comes to FPV transmission for DJI Goggles. The system provides high-quality video, low-latency transmission, and dual antenna design for stable signal reception. The built-in DVR function is also a significant advantage, providing ample storage for high-quality footage. Overall we highly recommend this system to anyone looking for a reliable and efficient FPV transmission system.