hat
Se pou transmèt pouvwa PT, transmèt antèn GT genyen, opere f frekans. Resevwa pouvwa PR, k ap resevwa GR genyen antèn, voye ak resevwa distans antèn se R, Lè sa a, anviwònman an radyo nan absans la nan entèferans, radyo pwopagasyon vag pèt la nan wout L0 gen ekspresyon sa a:
eng
Let transmit power PT, transmitting antenna gain GT, operating frequency f. Received power PR, receiving antenna gain GR, sending and receiving antenna distance is R, then the radio environment in the absence of interference, the radio wave propagation loss en route L0 has the following expression: