1 ) A mobile app that is able to calculate received signal strength, propagation distance and path loss by using free space propagation model and two ray ground propagation model and generate the graph with the result.
2) dB to W and dBm to MW conversion.
3) calculate wavelength or frequency.
14 freelancers are bidding on average $650 for this job
Do you want to enter signal strength, propagation distance and then calculate path based on the 2 models. If yes, then your app is ready, else want more details on your requirements. Will sell it for just $100.