... simple and reliable, can be easily achieved switch, HUB, Router, ADSL, Network Card. Ethernet Industrial Control Equipment, Security Equipment ... chipThe ethernet extender transmission distance can up to 300m.Built-in low radiant and surge-proof power ... DC 220VPower consumption:5wProducts information:4ports network extender,10m,300m transmissio distance,built-in power source,200v,UTP cat5e ...