Passive PoE Switch Adapter 6 Port 802.3at 10/100Mbps Power Over Hub with 4 PoE Ports 60W & 2 Uplink for Cameras - Walmart.com
8port Gigabit Ethernet Switch Passive Poe 1000mbps Switch Power Over Ethernet For Ubnt / Mikrotik / 802.3af Or 24v 48v Devices - Camera Power - AliExpress
Amazon.com: 3 Channel Passive POE Switch/Extender,1 Input Port and 2 Output Ports,up to 100m/330ft Ethernet Over Copper Wire,IEEE 802.3af/at, Plug and Play : Electronics