PMI Model No. FD-1G-500M-55-SFF is a Frequency Discriminator that operates at a center frequency of 1.0 GHz. It has a peak to peak bandwidth of 500 MHz with an input power dynamic range of -10 to 0 dBm. The sensitivity into a 93 Ohm load is 10 mV/ MHz. Other specifications include Input VSWR of 2.0:1 Max, Offset Adjust ±100 mV Min, Accuracy ±10 MHz @ +25 °C, ±25 MHz @ 0 °C to +50 °C, Rise Time of 10 ns Typ and operates using +5 V @ 25 mA Typ (No Load), -5 V @ 70 mA Typ (No Load). Unit size is 2.5" x 1.0" x 0.4" and has SMA Female connectors.