KC901V Network Analyzer Multimeter Vector Antenna Frequency Spectrum Field Strength MeterUser manual: Click hereDemo videoTIPS: Please choose express delivery because the product includes battery.Introduction:KC901V is an RF multi-instrument integrating VNA (vector network analyzer), spectrum analyzer, field strength meter, and an extralow-frequency signal source. It can do complete single port vector measurement and 2-ports simple vector network analyzing Main Features:Vector network analyzing up to 7GHz ,1Hz frequency step Good accuracy and anti-interference ability Abundant functions and easy tocarry Community developed and supported product.Main Functions :- Transmission measurement (Filter adjustments, measuring amplifiers, verifying directivity of antennas)- Reflection measurement (Impedance matching network adjustment, antenna feeding system quality evaluation)- RF source plus an extra audio signal source- Spectrum display and field strength observance** (inspecting radio station's emission performance, searching for the interference sources) Recommended Applications :- KC901V is mainly used for adjusting various RF circuits, such as filters, amplifiers, splitters, combiners; testing input/outputimpedance, evaluating antenna feeding system and detecting equipment's signal amplitudes at all levels. It can also do fieldstrength measurement, which is useful during miscellaneous kinds of search for interference source etc.- Combining intelligence in the community, KC901V is the tool to study RF for students and hobbies. In professional situations, it isused in communication engineering, antenna manufacturing, daily maintenance of broa