MikroTik Indoor Gigabit PoE Injector with Surge Protection | GESP+POE-IN
MikroTik's RB-GESPIN is an indoor Gigabit Passive PoE Injector with surge protection and ground wire that can be used to protect networks from lightning or surge damages. 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.