The Gefen EXT-RS232 is a universal RS-232 extender that allows for extending the serial port up to 1000 feet using CAT-5 cable. It features a 1:1 connection split/duplication, beige color, and compact dimensions of 3.8 inches in length, 1.2 inches in height, and 1.4 inches in width. The extender is powered and has a serial (RS-232) female connector on one end and a Cat 5 connector on the other, making it ideal for use with various RS-232 compatible devices. Made by Gefen, this extender is a reliable solution for expanding the reach of your computer's serial port.