L o s = 32.44 + 20 lg ⁡ d ( K m ) + 20 lg ⁡ f ( M H z ) \mathrm{Los}=32.44+20 \operatorname{lg} d(Km)+20\operatorname{lg} f(MHz) Los=32.44+20lgd(Km)+20lgf(MHz) (1) L o s = P O U T − S e n s i t i v i t y \mathrm{Los}=POUT-Sensitivity Los=POUT−Sensitivity (2) P O U T = + 19.5 d B m POUT= +19.5 \mathrm{dBm} POUT=+19.5dBm (3) S e n s i t i v i t y = − 98 d B m Sensitivity= -98 \mathrm{dBm} Sensitivity=−98dBm (4) f = 2400 M H z f= 2400 MHz f=2400MHz (5)