Buy a StarTech.com Industrial 8 Port Gigabit PoE Switch - 30W - Power Over Ethernet GbE PoE+ Network IP-30 or other PoE Injectors at
PoE Injector Up to 30W Power Supply, Gigabit PoE Adapter for IP Cameras and VoIP Phones Network Distance Up to 328 ft. PoE Power Supply IEEE 802.3af
Revotech 30W PoE Injector Adapter Gigabit, IEEE 802.3
1-Port Gigabit Midspan - PoE+ Injector - Ethernet Extenders
30W PoE Injector
4-Port Multi-Gigabit PoE+/PoE++ Injector - Ethernet Extenders
High Poe
30W PoE Injector
High Poe
PoE Injector Up to 30w Power Supply, Gigabit PoE
BV-Tech Single Gigabit Port Power Over Ethernet PoE Injector 19W Up to 100 Meters (325 Feet)
Computer Networking Switches Power Over Ethernet
4-Port Multi-Gigabit PoE+/PoE++ Injector - Ethernet Extenders
30Volt 15Watt Gigabit Poe Injector (Cambium Compatible)
PoE Injector Up to 30w Power Supply, Gigabit PoE
StarTech.com Industrial 8 Port Gigabit PoE Switch - 4