Anyone here know where to get the Om500 2way radio cable and the software?

the cable diffrent then the standard cable which the 2.5mm only 2 part and the 3.5mm have 3 part others cable mostly have 3part both pin.
please see the attachment for the cable pin.

OM500 by Omtel


These radios are made by Omtel Communications in Malaysia. We do not carry them and I am unaware of any other US retailers that do. The most likely source for the cable is Omtel itself.