Our R31 125 KHz Reader product line began service in 1999 and was replaced in 2002 with our more advanced R32 Reader product line, however like all of our products is still supported for any current users. This line consists primarily of our Models 7000E RS232 and 7050E RS485 Readers, 3035E Ethernet Interface, 3037E Hand Held RFID Readers. Most of the other components you can view in the PDF download below are available on our R32 product line.