Acoustic detectability of bats varies according to their emission frequencies and weather (temperature, moisture) but also according to methodological factors such as the quality of the material and gain .
Acoustic detectability ya popo inatofautiana kulingana na chafu masafa yao na hali ya hewa (joto, unyevu) lakini pia kulingana na sababu mbinu kama vile ubora wa vifaa na faida.