Ethernet Over Coax Converter(EOC) POE IP Over Coax Extender , Max 3000ft Power and Data Transmission Over Regular RG59 Coaxial Cable | LINOVISION US Store
XE22-120-TX Outdoor Ethernet & Power over Coax Remote Extender with 2 FE PoE interfaces - Versa Technology
Ethernet PoE-over-Coax Adapter Kit - US Patented | eBay
Ethernet Over Coax Adapter (2-Pack) | TRENDnet - TRENDnet TMO-311C2K