POE-506GD-BT is a compact Gigabit PoE switch with 4× IEEE802.3bt PoE ports, 1× Passive 24 V PoE port, and 1× Gigabit SFP uplink. It supports DC 9–54 V input with a built-in booster for direct use with 12 V/24 V battery systems, providing up to 100 W PoE budget. Its rugged industrial design and wide temperature tolerance make it ideal for solar, vehicle, and industrial applications.