Portable casings made of the ABS material, available in different configurations of the cover. The basis and the cover have integral PCB fastening pins inside. The casing has a battery compartment with a snap cover included. The KM-103 and KM-103B casings have the opening suitable for a membrane keypad or displays. Those have a matte surface finishing and are mounted with four screws. Available in colours are RAL 9004 and RAL 7035.

Optionally available a set of silver plates SB-10.