CATV Analyzer GAO1287B has excellent performance and is specially designed for both sophisticated and drastic conditions. Displaying measured data and TV images on the same screen improves efficiency and precision. Its lightweight, pocket-size, streamlined body as well as large color LCD make GAO1287B the preferred instrument for many professionals and engineers. GAO1287B is ideal for both analog and digital TV integrated network testing. It can be used for analog TV channel testing, digital channel power testing and analog TV images monitoring. CATV Analyzer GAO1287B- Key Features: • Colorful high definition and color TFT LCD • Unique interference immunity design • Testing data and TV images shown simultaneously • Fast charging mode - safe and dependable • Super long operating time • Rubber bumper and shock-resistant design to provide extra protection in fieldwork • CATV Analyzer GAO1287B- Main Specifications: Analogue Channel Measurement Range 5MHz~870MHz Frequency Step 10kHz Level Measurement Range 30dB Level Measurement Precision  Digital Channel Measurement Channel Level Range 40dB Modulation Type QAM,QPSK Precision of Channel Level  Power Supply Battery 14.4V 2.1AH chargeable Li Battery Charger AC 100V~240V 50/60Hz Operating Time More than 4 hours (fully charged) Charging Time Less than 3 hours Others Storage 256K Bytes Communication Port RS232 Audio Output Built-in speaker Dimensions About 266mm  Weight About 1600g Display 5 If the product specification doesn’t meet your requirement, please contact us . GAO Tek Inc. is a leading provider of test and measurement equipment, embedded development tools, telecommunication testers, electronic measurement instruments, video surveillance, alarm and other electronic products that serve the needs of electronic professionals internationally.