KoolKey
KoolKey is an interface and programming device to:
Connect the Danfoss electronic controller to a PC and act as a gateway when working online using the KoolProg application on the PC.
Act as programming key to program settings into the Danfoss electronic controllers in the production and field.
MPK
The MPK  is a simple programming key to be used for mass programming of a controller in the production assembly line.
Docking station
The docking station is a platform which can be used to program the ERCs in a very quick and easy way. In combination with the EKA 183A, it can program an ERC in a few seconds. The process is: create a database via KoolProg, save this database to the EKA 183A and connect it to the docking station. Then the ERC can be programmed easily. See the picture below: