A simple application that can be used to calculate the Received Signal Strength using one of the following six models. 1. Free Space Path Loss. 2. Hata Model. 3. COST-231 Model. 4. ECC-33 Model. 5. Ericsson Model. 6. SUI Model. Input parameters include the transmit power, frequency, transmit-receive separation, base station antenna height and mobile station antenna height.