MokerLink 5 Ports Gigabit PoE Extender, IEEE 802.3af/at PoE Repeater, 100/1000Mbps, 1 PoE in 4 PoE Out PoE Passthrough Switch, Wall Mount, PoE Extender/Injector/Network Extender 3 in 1
Planet 4-Port IEEE 802.3at High Power over Ethernet Injector Hub
AT-4 Active Gigabit PoE+ Injector IEEE802.3at Mode A Power Over Ethern – poe -world
Amazon.com: PoE Texas 4 Port 24V Passive PoE Injector with 24V 30W UL/FCC Certified Power Supply - Gigabit Injector - Passive Power Over Ethernet Multi Port PoE Adapter for Ubiquiti, Mikrotik, 24
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4 Port PoE Injector PoE Power Adapter Ethernet Power Supply for IP Camera | eBay
Passive Gigabit PoE Injector, 4 port (POE-INJ-4-G) - The source for WiFi products at best prices in UK - wifi-stock.co.uk
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