Products in this category can extend the usual range or communication lines.

A device for the interconnection of RS485 terminal blocks (bus bars). SW485 enables up to nine RS485...

QuidoDuplex ETH is a set of two I/O modules for Ethernet (LAN, computer network) with a special firm...

CQ485 is an RS485 and RS422 repeater, converter and isolator in one device. Both sides are galvanica...

QuidoDuplex RS is a set of two I/O modules for RS485 line (two wires only) with a special firmware d...

LD232 (long distance RS232) is a set for extending RS232 line, maximum working distance 1200m, surge...