F-Intermod 5.4.0 could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The program lies within Office Tools, more precisely Calculators.
F-Intermod.exe is the most common filename for this program's installer. The most popular versions among the program users are 5.4 and 5.0. The actual developer of the program is Telecom Engineering Inc. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software.
From the developer:
F-Intermod calculates RF and optical intermodulation products. Up to 1000 transmit and 1000 receive frequencies can be entered with a frequency range from 0 Hz to 999,999.99999 THz and for optical 0 to 999,999.99999 nm. Unlimited calculated intermodulation frequencies output with order of 2 and higher.
You may want to check out more software, such as KEMET Spice Software, CAS SI Unit Converter or Skalc, which might be similar to F-Intermod.