4 x Netgear Powerline Adapters XAV5201 Nano AV500 + 4 x Cat5e Ethernet
(4 x Netgear Powerline 500 Nano XAV5201 powerline adapters. They are wired/ethernet connected powerline adaptersNOT wireless or Wi-Fi i.e. an ethernet cable must be inserted into each adapter for them to work).