MikroTik's RB-GESP is an outdoor Gigabit Ethernet Surge Protector with a ground wire that supports Passive PoE and can be used to protect networks from lighting or surge damages. The unit comes with an IP67 outdoor enclosure and grounding cable. The maximum suggested cable length is 40 metres. For maximum protection, it is recommended to use an RB-GESP for outdoor connections and the RB-GESPIN at the other end for indoor connection.
