new and high quality Made of high quality materials, ADF4351 35M-4.4G RF signal generator PLL sweep generator touch screen Output frequency range: ADF4351: 35M-4.4G. Power supply mode: DC5V power supply. Output signal interface: SMA female. Control mode: three-wire SPI. output signal: 2.2-4.4G fundamental wave (sine wave); 35M-2.2G fundamental wave frequency division (square wave). Default ±50ppm 25M active crystal oscillator. Provide PDF circuit diagram and STM32 test program. Le ad out the control pin and lock status pin. All functions such as point frequency, frequency sweep, and frequency hopping can be realized. can be 1K, and the low frequency step can be 0.1K. This depends on the crystal frequency. Colour:Black & Green Material:PCB+Components Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Package Contents: 1 * RF Signal Generator 1 * USB Cable 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.