The HID multiCLASS SE R40 contactless card reader combines proximity and smart card technology into a single device to make the transition to smart cards seamless. This multi-technology reader allows you to keep using your legacy proximity cards while you upgrade. This is ideal for customers who need to transition over time and use of multiple card technologies within a single building or across multiple facilities. The HID multiCLASS SE R40 reader also supports mobile devices utilizing Seos, enabling a new class of portable identity. With the HID multiCLASS SE R40 you get the power & security of smart cards, the ease of prox, and the ultimate package for upgrading to future technologies.