Based on this product's specifications, here are some alternatives and similar models
Surge suppressor Cambium C000000L033B 56V Gigabit inline protector
Summary description:
Cambium C000000L033B is a 56V surge suppressor designed for Gigabit Ethernet installations. It provides inline protection against voltage spikes for network equipment operating at 56 volts, helping to prevent damage and downtime. Suitable for use with outdoor and indoor network links where surge protection is required; simple inline mounting and compatibility with Gigabit connections ensure reliable signal integrity.