DIY Electronic Kit RDA5807M FM Radio 87-180MHz with Digital Tube Display STC15 Microcontroller Electronic Soldering Projects The use of STC15 microcontroller as the main control chip, the application of RDA5807M radio chip, with 87-108MHz global FM receiving band compatible effect, with noise elimination, software mute, bass enhancement, high sensitivity, low noise, strong anti-interference ability and other advantages. Amplifier part of the TDA2822 power amplifier IC, with a simple circuit, good sound quality, wide voltage range and so on.<br><br>(The delivery is in parts, and the styles of different accessories in batches are slightly different, which not affect the use.) Product name: FM radio kit Operating voltage: DC5V/3V (dual power supply, power supply mode is optional) Speaker: 0.5W8Q Receiving frequency range: 87-108MHz Antenna length: 84mm (extension up to 255mm) Product size: 95 x 59 x 25mm No batteries, need to provide their own 2 AAA batteries It's DIY kits, needs to finish by yourself. Color: Black Material: ABS<br><br>Package Contents: 1 * RDA5807M FM Radio kit (The goods are shipped in separate parts, and the styles of accessories vary slightly from batch to batch)<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.