Single-pair wire can deliver power in addition to 10Mbps: * https://en.wikipedia.org/wiki/Power_over_Ethernet#PoDL https://en.wikipedia.org/wiki/Power_over_Eth

Single-pair wire can deliver power in addition to 10Mbps: * https://en.wikipedia.org/wiki/Power_over_Ethernet#PoDL https://en.wikipedia.org/wiki/Power_over_Ethernet#PoDL * https://blog.siemon.com/standards/ieee-p802-3cg-10-mbs-single-twisted-pair-ethernet-task-force https://blog.siemon.com/standards/ieee-p802-3cg-10-mbs-singl... Not sure what kind of distance-dropoff trade-off there is.