Matrix version is analogue compact COP based version for select floor access where only access is granted to pre selected floors. Easy to integrate without any change in controller suitable for Low rise and Mid rise elevators

This is basic version where access is restricted to Car Operating Panel level. Once access is granted user can access any foor from COP

Select is digital serial link advance version for select floor access though separate mother board communicating with controller access control card on 4 wire serial link. This need access interface card from elevator manufactures.