Before revision: A bat detector All-digital bat detector with heterodyne, frequency division and time expansion Common Pipistrelle A bat detector is a device used to detect the presence of bats by converting their echolocation ultrasound signals, as they are emitted by the bats, to audible frequencies, usually about 120 Hz to 15 kHz.
After revision: coma caca pendejosA bat detector All-digital bat detector with heterodyne, frequency division and time expansion Common Pipistrelle A bat detector is a device used to detect the presence of bats by converting their echolocation ultrasound signals, as they are emitted by the bats, to audible frequencies, usually about 120 Hz to 15 kHz.