The CG-POEiJ12V PoE power injector adds 48 VDC power to an Ethernet port so you can deliver power and data over a single Ethernet cable to your Ethernet device in the field.
Revotech 30W PoE Injector Adapter Gigabit, IEEE 802.3
Coolgear 50W PoE to USB-C PD Power Adapter, 802.3 BT
I connected a G3 Pro camera to my local farm network using only
IEEE 802.3bt 90W Gigabit PoE++ Injector Midspan at Rs 8500/piece
Power Over Ethernet (PoE) Archives - Coolgear
POE-1200G 12-Port Gigabit IEEE 802.3at PoE+ Managed Injector Hub
IEEE 802.3bt 90W Gigabit PoE++ Injector Midspan at Rs 8500/piece
Gigabit IEEE 802.3af/at PoE Injector (Variable Voltage) - Coolgear
usb ethernet switch