Features: The ADF4350 sign Generator delivers 35MHz-4.4GHz output and touchable screen, ensuring stable frequency control for wireless communication systems and spectrum analysis applications. Featuring programmable frequency/power modulation, USB connectivity, and low phase noise (<1dB) for precise sign generation across 4-9V power inputs. Designed for engineers, and technicians developing wireless communication devices or conducting academic experiments requiring programmable frequency generators. Optimized for lab environments, field measurements, and educational experiments requiring 4.4GHz sign generation with real time parameter adjustments touchable screen controls. This compact solution combines portability with professional, supporting multiple modulation modes and delivering clear signals for advanced spectrum analysis and device prototyping. Specifications: Component:Circuit Board Size:Approx.82x63cm/3.23x2.48inch Working: 4~9V Output frequency: ADF4350 35M to 4.4G Package Includes: 1Pc sign Generator note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.