The Propsim FS8 Channel Emulator 6 GHz from Keysight Technologies is a Channel Emulator with Frequency up to 6000 MHz, Input Power -50 to 25 dBm, -40 to 25 dBm, Output Power -14 to -120dBm, 6 to 16 dBm(Peak). Tags: Benchtop. More details for Propsim FS8 Channel Emulator 6 GHz can be seen below.