The PE15A7000 is a digitally controlled variable gain amplifier which operates from 100 MHz to 18.0 GHz. The gain level is 50 dB min with available attenuation ranging up to 60 dB, and output P1dB of 14 dBm typical. The unit has an attenuation control knob on the front panel, but also has an RS-232 control feature. By connecting the serial cable (included accessory) from a remote PC computer to the 9 pin d-subminiature connector at the rear of the unit, commands may be sent controlling the attenuation levels. A detailed operating procedure can be downloaded from the webpage. The 19 inch rack mount package size is 1U High 10 inch Deep, and operates over a temperature range of -40°C to +85°C. The RF Input and Output Connectors are SMA Female.