The 5048 from Copper Mountain Technologies is a 4.8 GHz, 2 Port Virtual Vector Network Analyzer intended for the measurement of S11 and S21 parameters. The VNA is extreamly compact and is controlled/run using a PC. It has a dynamic range of 125 dB and can measure up to 200,001 measurement points. It has an excellent solution for magnitude and phase measurements. This VNA comes in two configurations, S5048 and TR5048.