Long Distance, High Power - POE (Power Over Ethernet) Switches
Amazon.com: 48 Port Gigabit PoE Switch Unmanaged with 48 Port IEEE802.3af/at PoE+@400W, 2 x 1G SFP, NICGIGA 50 Port Network Power Over Ethernet Switch, Desktop/Rackmount : Automotive
Amcrest 6-Port POE+ Power over Ethernet POE Switch with Metal Housing, 4-Ports POE+ 802.3at 65w (AMPS6E4P-AT-65)
PoE Switches | TP-Link
Power over Ethernet - What is it and How does it work?
StarTech.com Industrial 8 Port Gigabit PoE Switch - 30W - Power Over Ethernet GbE PoE+ Network IP-30 - IESC1G80UP - PoE Injectors - CDW.com
Selecting the Right PoE Switch and how to use PoE Switches– A Brief Overview | EtherWAN
Amcrest 8-Port POE+ Power Over Ethernet POE Switch with Metal Housing, 8-Ports POE+ 802.3af/at 96w (AGPS8E8P-AT-96)