CLK-1U2TP-100M/PE USB 2.0 Extender, 1 port CAT5, 100 meters (plastic enclosure: Tx/Rx)
CLK-4U2TP-100M/PE USB 2.0 Extender, 4 port CAT5, 100 meters (plastic enclosure: Tx)
CLK-4U2TP-100M USB 2.0 Extender, 4 port CAT5, 100 meters (metal enclosure: Tx/Rx)
CLK-2U2TP-100M USB 2.0 Extender, 2 port CAT5, 100 meters (24v powered from local)