★24GHz ISM band, the farthest sensing distance is up to 5 meters, the detection angle is large, and the coverage range can reach ± 60 degrees. | ★Support GPIO and UART output, plug and play, flexible application to different intelligent scenarios and terminal products. | ★Multi-level intelligent parameter adjustment can be realized through Bluetooth or serial port to meet the needs of scene changes, visual debugging and configuration tools. | ★Accurate identification within the interval, support sensing range division, shielding interference outside the interval. | ★Being sensitive to the moving human body, this product can be sensitive to the static, inching, and sitting and lying human body that cannot be recognized by the traditional scheme.

★Mini stereo FM receiver module adopts advanced DSP and PLL technology ensure high quality broadcast receiving performance. | ★The FM transmitter module has a blue backlit LCD display, allowing you to clearly see the value in a dark environment; The power consumption is extremely low, and noise interference is small. | ★This digital FM transmitter supports line/USB/mic channel input, its transmitting frequency range is 76.0~108.0 MHz, and the frequency response range is from 50 Hz to 18 KHz; Frequency adjustment stepping is 0.1 MHz/ times when short press the key and 1.0 MHz/ times for long press. | ★Application: 1>. FM Wireless Frequency 2>. USB PC Audio Broadcast 3>. Wireless Microphone 4>. Maternal And Infants Custody. | ★Note: Please confirm whether the power polarity and power voltage are correct before turning on the power; If the input voltage exceeds 5V or the positive and negative poles of the power supply are connected reversely, it may cause permanent destroy to the module; Do not touch the components on the back of the module while working, so as not to affect the normal operation of the module.