Extender POE 30W LN-POEE30; MAX distance 100 meter; Transmitting Network Signals and Power Supplies; Support 400m with the Cascade of  Three- stage; IEEE802.3,IEEE802.3 u;  IEEE802.3af and IEEE802.3at; Superior ESD and Surge Protection Ability; Dimension: 113mm×45.85mm×29mm; Weight: 350g