Icron are stopping delivery of the following USB extender models Ranger 140 - Ranger 140 USB 2.0 extender pair, 50m range Ranger 440 - Ranger 440 4 port USB 2.0 extender pair, 50m range Ranger 442 - Ranger 442 4 port fibre-optic USB 2.0 extender pair, 500m range, multimode fibre, LC connectors