https://www.everythingrf.com/rf-calculators
RF Calculators - everything RF
everything RF has created a series of RF calculators to help engineers and students with common calculations that they need to conduct frequently. These radio...
rf calculatorseverything
https://www.miwv.com/millimeter-wave-resources/rf-calculators/
RF Calculators for Power, Gain, Loss, Frequency & Antenna Design
Use Mi-Wave’s RF calculators for power conversion, gain, loss, antenna sizing, link budgets, frequency conversion, noise figure, and other RF, microwave, and...
rf calculatorsfor powerantenna designgainloss
https://www.microwaves101.com/
Microwave and RF Information for Engineers | Microwave Calculators, Encyclopedia, Discussion Forum
information fordiscussion forummicrowaverfengineers