Features: The Si5351A I2C Signal Generator delivers precise 8kHz-160MHz square waves output across three independent channel, perfect for Microcontrollers projects requiring flexible frequency synthesis and multisignal synchronization. Featuring I2C controlled frequencies, 3.3V LDO voltages regulation, and a 25MHz crystal reference, this board ensures stable, low jitters signal with three 3Vpp outputs for RF and digital circuit applications. Ideal for electronics engineers, hobbyists, and educators working on radio frequency experiments, microcontroller clock systems, or digital communication prototypes requiring high accuracy signal generation. Use this frequency generator in lab testing, FPGA clocking, software defined radio setups, or educational STEM set to replace multiple oscillators and simple complex signal routing. Compatible for DC3.3-5V power sources, the Si5351A break out board enables plugs and play integration for microcontroller projects demanding reliable, programmable clock signal without external crystals. Specifications: Component:Plastic Size:Approx.30.5x21.9mm/1.2x0.86inch Working voltages: 3.3V/5V Frequency:25MHz/27MHz Frequency Ranges:8kHz to 160MHz VDD:2.5V/3.3V VDDO:1.8V/2.5V/3.3V Option Type:1pc,3pcs Package Includes: Package A 1pc Signal Generator Package B 3pcs Signal Generator note: Please allow 1-10mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.