At first, please choose the manufacturer of your remote control. Usually you will find manufacturer and exact type of your remote control printed on the housing or inside the battery compartment. Be careful with determining your type just by looking at the photos since same housings might be used for different frequencies ans types. Frequent online help menus will guide you to find the right remote control.
Start with choosing the manufacturer at the left side. Due to the huge number of remote controls please use the filter functions, e.g. by picking out number of buttons or production series.