side of internet signal box attached to concrete power pole on natural tree background.

generated tree green plant flower garden leaf grass branch wood house jungle wall forest backyard yard nature home lawn adapter backup board box cable circuit coil connection connector control converter current distribution electric electrical electricity electronic emergency energy engineer equipment factory frequency heavy industrial industry internet inverse inverter line modern network phase power service signal speed supply switch system technician technology telephone transformer variable voltage watt wire side attached concrete pole natural background universal wireless communication business background