Profile: Kemo Ltd. offers signal filtering and signal conditioning solutions. Our product line includes filter modules, basic, laboratory, and rack filters. Our CardMaster® 21.255G is a rack mounted filter card, with 255 steps of filtering set on the front panel. It includes user selectable input gain and coupling. Our CardMaster® 21.2 is 2 channel, rack mounted filter card. It is designed to be configured to meet a wide range of fixed or selectable frequency applications. It is supplied tested, and set up with either 1200 or 1600 series filter modules fitted.