An LED lighting device, comprising: - an LED light source component unit including an LED board and at least one LED light source configured on the LED board; - an LED driving circuit and power supply unit, configured to drive the LED light source component unit and to power the LED lighting device; - a heat sink including a heat sink body, a plurality of heat sink fins longitudinally configured and distributed on an upper portion along an outer periphery of the heat sink body, and a cooling case housing the plurality of heat sink fins; - an RF antenna having an annular shape with a central aperture to allow light beam emitted from the LED light source component unit to pass through the central aperture; and - an RF circuit, wherein: - the RF antenna is configured to have an antenna top plane containing a highest point of the RF antenna coplanar with or lower than a heat sink top plane containing a highest point of the heat sink, and - the RF antenna is configured without affecting a light-emitting path of the LED light source component unit, - the LED board has a circular shape and is fixed on a top surface of the heat sink body, - the RF antenna is socket-configured on an outer periphery of the LED board, and - an upper portion of the cooling case is higher than a top surface of each of the plurality of heat sink fins and the RF antenna characterized in that - the RF antenna is a printed circuit board antenna or an onboard ceramic antenna, and has an annular shape; - the cooling case has a circular cross-section; - an outer periphery of the RF antenna and an inner sidewall of the cooling case are separated by a gap; and - the RF antenna and the cooling case are connected by snap connectors. - an LED light source component unit including an LED board and at least one LED light source configured on the LED board; - an LED driving circuit and power supply unit, configured to drive the LED light source component unit and to power the LED lighting device; - a heat sink including a heat sink body, a plurality of heat sink fins longitudinally configured and distributed on an upper portion along an outer periphery of the heat sink body, and a cooling case housing the plurality of heat sink fins; - an RF antenna having an annular shape with a central aperture to allow light beam emitted from the LED light source component unit to pass through the central aperture; and - an RF circuit, - the RF antenna is configured to have an antenna top plane containing a highest point of the RF antenna coplanar with or lower than a heat sink top plane containing a highest point of the heat sink, and - the RF antenna is configured without affecting a light-emitting path of the LED light source component unit, - the LED board has a circular shape and is fixed on a top surface of the heat sink body, - the RF antenna is socket-configured on an outer periphery of the LED board, and - an upper portion of the cooling case is higher than a top surface of each of the plurality of heat sink fins and the RF antenna - the RF antenna is a printed circuit board antenna or an onboard ceramic antenna, and has an annular shape; - the cooling case has a circular cross-section; - an outer periphery of the RF antenna and an inner sidewall of the cooling case are separated by a gap; and - the RF antenna and the cooling case are connected by snap connectors.