1 a wasting away of the body, as from poor nutrition, nerve damage, or disuse. 2  to undergo atrophy; wither; degenerate:His crippled leg began to atrophy with no exercise. 3  to become weakened; decline:Industry atrophied in bad economic times.
Voice Amplifiers / Long Range Listening Devices. Listening devices can be utilized for a variety of purposes including listening through a wall, listening from a distance or enjoying your favorite animals in the wild. More complex systems contain an audio transmitter and receiver.
Features and Benefits: 1  Portable Operation - Small size fits in a pocket or purse so you can take it anywhere. 2  Detects All Major Cell Signals - GSM, CDMA, and PCS devices. 3  Large Detection Range - Detect signals up to 50 feet away. 4  Long Battery Life - Up to 20 hours of detection on a single battery charge.