The CN-901VM is a high-quality instrument with unique features which make tedious measurement of SWR and Power during antenna tests, matching and tuning of transmitters a very easy task. SWR and Power indicators are installed in one meter unit. One scale will indicate Forward Power. Another scale Reflected Power and SWR is indicated at the crossing point of the 2 needles. The unique feature makes it possible to read Forward Power, Reflected Power and SWR all at the same time.