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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
12-Port Gigabit NVR PoE+ Switch with LED Display (Certified Refurbished) - TRENDnet RB-TPE-3012L
ZYXEL GS135012HP: Switch, 12-Port, Gigabit Ethernet, PoE+, SFP at reichelt elektronik
ZYXEL XS193012HP: Switch, 12-Port, Gigabit Ethernet, PoE++, SFP+ at reichelt elektronik