Defference Between LINK & AIR UNIT version:
1. Air Unit comes with 2 antenna for better transmission
2. Air Unit support DVR recording, Link kit doesn't. Features 8 CHANNELS for DRONES The HDL FPV Transmission system and the FPV Air Unit are equipped with eight frequency channels, which allow up to eight drones to fly simultaneously. Each operator has an exclusive channel. This helps to reduce cross-interference and provide an optimal racing experience. Embedded Remote Controller Receiver Users can wirelessly connect their FPV Air Unit to the FPV Remote Controller without having to purchase additional receivers. This reduces flight preparation time significantly. Phoenix HD Camera Use 1/2 inch, up to 10650 mV/Lux-sec ultra-high sensitivity sensor, excellent night vision effect. At 1280 x 720 60fps resolution the delay is as low as 32ms, which is suitable for freestyle flying. Air Unit Supports 720P 60fps DVR Recording Parameters Model LINK Phoenix HD Kit Frequency 5.725 - 5.850 GHz Max.
Distance FCC/SRRC: <4 km
& CE: < 0.7 km Power 7.4 - 26.4 V@ 4-9W Dimensions 29×29×13 mm Net Weight 19.5 g Model Phoenix HD Image Sensor 1/2 Resolution 1280*720@60fps
LENS FOV D: 157°
H: 133°
V: 72° Shutter Rolling Shutter Coaxial Cable 120 mm Dimensions L19mm*W19mm*H 23.5 mm Net Weight 7.5 g User Manual Link Phoenix HD Kit Manual Air Unit Phoenix HD Kit Manual Packing list Optional 1 x Camera or 1 x Camera 1 x VTX 1 x Antenna 1 x Cable Wire