Features: The SA250 handheld color spectrum analyzer is a versatile tool for precise testing and analysis of radio frequency signals. With coverage in three frequency bands, this product provides flexibility for various testing needs(132-173MHz, 200-260MHz, 400-519MHz). The color display provides clear visualization of spectrum distribution and signal strength, facilitating device status assessment. Designed for radio technicians, wireless enthusiasts, and professionals, this analyzer accurately measures and analyzes parameters such as frequency and standingwave ratio, providing reliable data support. Whether you work in the broadcasting and television industry or wireless communication engineering, this analyzer is suitable for testing and optimizing signal quality, spectrum distribution, and coverage. From radio stations to wireless operators, this analyzer is an essential tool for ensuring signal quality, optimizing coverage, and facilitating interference detection and device debugging. Specifications: Material:Metal Size:As Picture Shown Color:Black Package Includes: 1 Set Antenna Analyzer note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. ②.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.