Portable Spectrum Analyzer for signal and equipment test We will try our best to provide products similar to Keysight Portable Spectrum Analyzer, Rohde & Schwarz Portable Spectrum Analyzer, Tektronix Portable Spectrum Analyzer,  Anritsu Portable Spectrum Analyzer. Overview of Portable Spectrum Analyzers advantages and functions : Techwin TW4950 series spectrum analyzer has many advantages: wide frequency range, high peroformance index, high sweep speed, various functions, and easy operation. In terms of performance index, it has excellent displayed average noise level, low phase noise, and high sweep speed. In terms of measurement functions, it has measurement functions of spectrum analyzer, inteference analyzer, AM/FM/PM analyzer, power meter, channel scanner etc. as well as intelligent measurement functions of channel power, occupied bandwidth, adjacent-channel power ratio, tune&listen, emission mask, and carrier-to-noise ratio etc. Techwin TW4950 apots the integrated design of 8.4 inch LCD and capative touch screen, which improves the display definition and operation convinience. It is handheld, compact and light, with flexible power supply, which is very suitable for field work. Techwin TW4950 can be used for signal and equipment test in the fields of aerospace, microwave & stallite communication, radio communication, radar monitoring, electronic countermeasures & reconnaissance, and precision guidance. Portable Spectrum Analyzers Main Characteristics : Wide frequency range: from 9kHz to 44GHz, 4 models Low displayed average noise level: -163dBm@1Hz RBW(typical) Excellent phase noise performance: -106dBc/Hz@100kHz frequency offset@1GHz carrier sweep speed: for 1GHz span, shortest sweep time