This is a Aluminum Heatsink For CM4. It is a Dedicated Aluminum Heatsink with Corrosion / Oxidation Resisting for Better Heat Dissipation. It is Tailored For CM4 & Based Board Matching With The CM4 On Size And Mounting Holes for Fast Heat Dissipation. This heatsink is Notched For Antenna Section so, no hindrance to the antenna.
How to Use