BUCIER Ethernet Surge Protector RJ45 Coupler Female to Female Network Surge Protector Outdoor Arrester Protection Device Extension Adapter2Pack

***** ********** *****PROTECTION EQUIPMENT - The Network Surge Protector Suppressors protects against network surges.Insert a Network Surge Protector in your network cables, to prevent network surging.This is a good insurance policy for your expensive router and outdoor POE antenna.***** *****EXTENSION - Use this RJ45 Coupler to connect two network cables into one longer network cable. When your network cable is too short and needs to be extended, using this dual-pass is a very good solution.Data transmission rate:100Mbps***** *****SURGE PROTECTION - Built-in 8 TVS anti-detonator, prevent lightning and other abnormal current through the network cable damage to your computer equipment.***** *****HIGH QUALITY - Fixed interface shielding external EML,RFL and other electromagnetic interference.Effectively prevent network signal damage.Using PC flame retardant raw materials, fire rating 100V0.***** *****EASY TO USE - Plug and play.There is no ''In'' or ''Out'' cable side of this device, b