12-48V 4 Port POE Power Supply Module Adapter,4 Port PoE Ethernet Power Supply Injector, Gigabit Ethernet PoE Ethernet Desktop Switch for IP Camera, Compatible with International Safety Standards: Amazon.co.uk: Computers & Accessories
Passive Gigabit PoE Injector, 4 port (POE-INJ-4-G) - The source for WiFi products at best prices in UK - wifi-stock.co.uk