PMI Model No: FD-0518-10-48 is a 4.0 to 8.0 GHz Frequency Discriminator that provides a video output of 50 mV/GHz and has an accuracy of +/-200 MHz. This model has rise time is less than 20 ns and operates into a 100-ohm video load. RF Input Power, Survival, +15 dBm; Operating Input Power, +10 dBm Nom, ± 0.1 dBm; operates on +/-15 VDC and measures 2.0" x 1.8" x 0.5".