What do I need to buy to support a RAK7289?

Hi, I ordered WisGate Edge Pro
RAK7289 for 16 channels I also ordered 2 antennas, Lightning Arrestor × 2.1 Meter Lightning Arrestor for 10 AWG Grounding Wire × 2, PoE Injector × 1 what else do I need to order? for a full-time job?