What is a common problem when using vibration detection devices for perimeter control?
A. They are vulnerable to non-adversarial disturbances.
B. They can be defeated by electronic means.
C. Signal amplitude is affected by weather conditions.
D. They must be buried below the frost line.
What is a common problem when using vibration detection devices for perimeter control?
-
answerhappygod
- Site Admin
- Posts: 899604
- Joined: Mon Aug 02, 2021 8:13 am
What is a common problem when using vibration detection devices for perimeter control?
Join a community of subject matter experts. Register for FREE to view solutions, replies, and use search function. Request answer by replying!