Features 【Precision Technology】Digital FM receiver module adopts advanced Digital Audio Semaphore Processing (DSP) and FM Phase Locked Loop (PLL) technology to reduce audio distortion, together with Quartz Crystal Frequency Stabilization technology to ensure that the receiving frequency does not drift when the temperature changes. 【Intelligent Interaction】The digital stereo board is equipped with a clear LCD display to visualize information, as well as an automatic power-off data storage function and the convenience of automatically switching between speaker and headphone outputs. 【Design】FM transmitter module's ultra-low power consumption design, coupled with professional audio DSP mute processing function, can be automatically muted when there is no semaphore or weak semaphore , effectively avoiding the background noise interference of traditional FM radio. 【Rotary Encoder】Icstation radio receiver module adopts an incremental digital 360° rotary encoder for volume and frequency adjustment, precise, stable, durable and comfortable in hand, supporting 30 levels of digital volume adjustment and serial communication control, compatible with computers, MCUs and other serial port device control. 【Parameters】FM radio receiver module measures only 75 x 45 x 30mm, lightweight and portable, output power is divided into 500mW and 3Wx2, supports headphone and speaker output, wide frequency response range from 50Hz to 18KHz, and the receiving frequency band covers 87.0MHz to 108.0MHz and 76.0MHz to 108.0MHz. Features: 【Precision Technology】Digital FM receiver module adopts advanced Digital Audio Semaphore Processing (DSP) and FM Phase Locked Loop (PLL) technology to reduce audio distortion, together with Quartz Crystal Frequency Stabilization technology to ensure that the receiving frequency does not drift when the temperature changes.【Intelligent Interaction】The digital stereo board is equipped with a clear LCD display to visualize information, as well as an automatic power-off data storage function and the convenience of automatically switching between speaker and headphone outputs.【Design】FM transmitter module's ultra-low power consumption design, coupled with professional audio DSP mute processing function, can be automatically muted when there is no semaphore or weak semaphore , effectively avoiding the background noise interference of traditional FM radio. Specifications: Output Power: 500mW (drive earphone), 3Wx2 (drive speaker)Frequency Response: 50Hz to 18KHz  Receiving Frequency Range:87.0MHz to 108.0MHz(close campus broadcast),76.0MHz to 108.0MHz(open campus broadcast)Equivalent Noise: ≥30dB  Input Voltage: DC 3V to 5VInput Current: 1000mA at maximum volume, 60mA at minimum volume (for reference only)Channel: StereoSize: 75 x 45 x 30mm / 2.95 x 1.77 x 1.18"Screen Size: 25 x 16mm / 0.98 x 0.63" Note:  This kit requires certain professional knowledge and ability, please make sure you know how to use it. We cannot provide any technical service. Package Includes: 1 x Module (Antenna is not included) Package List