what does asu stand for in signal strength
Mobile phone signal Arbitrary Strength Unit (ASU) is an integer value proportional to the received signal strength measured by the mobile phone.
Front-to-back ratio The ratio compares the antenna gain in a specified direction, i.e., azimuth, usually that of maximum gain, to the gain in a direction 180Â° from the specified azimuth. A front-to-back ratio is usually expressed in dB.