RDA5820N FM Frequency Modulation Transceiver Module 76-108.0MHz FM Broadcast Transmitter Receiver FM Radio Transceiver Module The RDA5820NS is a generation single-chip broadcast FM receive/transmit tuner with integrated synthesizer, IF selectivity and MPX decoder RDA5820NS adopts CMOS process and supports multi-interface. RDA5820NS has powerful low-IF digital audio processor, which makes it have good sound and high quality in various receiving conditions. RDA5820NS uses RDA double synthesizer, all-digital transmission structure, so that it has good transmission performance RDA5820NS supports 115M band FM and RDS/RBDS transceiver, supports power supply range of 1.8-5.5V Digital Automatic Gain Control (AGC) Digital Low-IF Tuner Digital Adaptive Noise Cancellation Image Suppression Downconverter Mono/Stereo Switch Voltage: 3.3-5V Interface: I2C Output: can be directly plugged into headphones Antenna: The earphone cable is used as the antenna by default Fixing hole: 3mm Frequency: 76-108.0MHZ No-load current: 0.23mA Color: Red Material: PCB Package Contents: 1 * FM Module