... as 10M full-duplex speed to transmission single up to 300 meters above, when used as repeater up to 600 meters, support multiple- ... up to 1,000 meters, one input four output, could used once plug, simple and reliable, can be easily achieved switch, ... /220v optionalHigh integration of hardware circuit.Double power source hot standby,simple design of circuit,relibable performance.Compatible with 10BASE ...