The Giga-tronics 80321A 18 GHz CW Power Sensor lets you measure CW power from 10 MHz to 18 GHz at more than 1,750 readings per second over GPIB. Measure up to 87 dB with a single sensor. Measurement Capabilities. CW Power Level: –50 to +37 dBm. Frequency Range/Power Range: 10 MHz to 18 GHz (–50 to +37 dBm, CW). Maximum Power: +37 dBm (5 W). Power Linearity Frequency >8 GHz: ±0.00 dB (–50 to 0 dBm), ±0.05 dB/10 dB (0 to +37 dBm). RF Connector: Type N(m), 50 ohms. VSWR: 1.20 (0.01 - 6 GHz), 1.25 (6 - 12.4 GHz), 1.35 (12.4 - 18 GHz).