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.
The AN/VRC-111 is the vehicular version of the MBITR. (Refer to Figure 4-15 for an example of the MBITR radio.) The MBITR is a portable, battery operated transceiver capable of providing both secure and non- secure communications. The MBITR operates in clear (analog) and secure (digital) voice and data.