Does anybody know how to calculate the Gain of FK608. I am using FK608 for my university final project. I need to show the calculation of Gain of FK608 to get degree. Plz someone help me

The gain equation is for FK 608 that is presenting the answer and questions for the future kit with the given and mentioned forum. I am using this FK 608 for the university final project in the https://www.australian-writings.org/ that can make a good prize and hope for the best idea.