Features: Broaden your signal analysis capabilities with this directional periodic antennas, offering extensive frequency ranges from 0.6 to 10ghz for diverses applications. Engineered with a periodic design, this antennas ensures precise directional positioning and high sensitivity reception for accurate measurements. For electronic and rf engineers, this antennas is a must having tool for professional involved in spectrum analysis and electromagnetic compatibility testing. Whether you're conducting communication signal analysis or pinpointing electromagnetic radiation sources, this adjustable antennas meets the demands of various field scenarios. Crafted from pcb materials, this communication antennas combines portability with performances, making it a reliabled partner for on the go diagnostics and in lab research. Specifications: Component:PCB Size:Approx.35cm/13.78inch Package Includes: 1 Set Directional Antennas note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. ②.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.