The 3M™ Multi-touch Controller PX521A is designed to operate with 3M™ Multi-touch Sensor PCT1650 in size ranges from 7"-15". Whether you’re designing for multi-touch, multiusers, gestures or all of the above, the 3M Multi-touch Controller PX5000 has the speed and responsiveness you’ve come to expect. The advanced controller design has a built-in palm-rejection feature, which helps ignore unintended screen touches that can occur through natural user interaction. At the core of the controller is the 3M Multi-touch Controller PX5000 ASIC, design by 3M using our 30+ years of capacitive sensing experience it is a stable platform that OEMs and integrators can count on today and for years into the future.