... RS232 extender with audio, which can extend VGA/DVI+AUDIO+PS2+RS232 signal of computer max up to 130m over single cat5 ... cable Product introductionThis set of Equipment includes a sender and a receiver, it can extend keyboard, mouse, video, audio, RS232 ... .7VppInterface type: HDB15, Mini-DIN6, RJ45,RS232,AUDIO,DVIKeyboard type: PC/AT, PS/2Mouse ... contiguity discharge 8KV kvm rs232 extender with audio