Run RS-232 on coax up to 10 miles at 1.2 kbps!Further Details Convert your RS-232 signal and get long-distance transmission over coax cable. With a pair of these drivers and your own coax cable, you can extend transmission distance up to 10 miles (16 km). When speed is your priority, you can still transmit up to 1 mile (1.6 km ) at up to 19.2 kbps.