Power supply voltage: +5V Output frequency F0=F1=2.5K to 200MHz F2 and F1 share a phase-locked loop, and the frequency division ratio can be configured Output interface: SMA female connector Configurable minimum step: 1Hz (equipped with STM32+1.3-inch TFT)<br><br>Model Number: SI5351A Dimensions: Length x Width=5x5CM (excluding the protruding SMA on the right) Height: 2.2CM (including the height of the copper column) The product appearance and printed words depending on the batch, but this does not affect use. Colour:As Shown Material:PCB<br><br>Package Contents: 1 * Clock Signal Generator Module<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.