The invention discloses an indoor locating node device comprising a
signal receiving circuit, a
signal matching circuit, a
radio frequency identification circuit, a controller, a key group, a touch display screen, a
serial port conversion circuit, a power supply, a power supply monitoring
chip and an LED power indicator lamp, wherein an output end of the
signal receiving circuit is connected witha signal input end of the signal matching circuit; the output end of the signal matching circuit is connected with an input end of the
radio frequency identification circuit; the output end of the
radio frequency identification circuit is connected with the controller; the controller is connected with the key group, the touch display screen, the
serial port conversion circuit and the power supply;and one end of the power supply monitoring
chip is connected with the power supply, and the other end of the power supply monitoring
chip is connected with the LED power indicator lamp and the controller. The indoor locating node device can monitor own power in real time to prevent
electricity shortage to affect the normal work, and is safe and reliable, high in sensitivity, easy to promote and suitable for promote and apply.