In the controller of intelligent base station air conditioner, some components may contain precious metals, for example, electronic components on the circuit board may contain precious metals such as gold, silver and platinum. These metals are common components in electronic equipment and are used for various functions, such as electrical conductivity, catalyst activity or high corrosion resistance.
In addition, if the air conditioner controller uses a certain type of coating or plating, these coatings or plating may also contain precious metals. For example, some coatings or coatings may use gold or silver as an antibacterial agent.