MORE BENCH-TESTED CIRCUITS Innovative Designs for Surveillance and Counter Surveillance Technicians by Tom Larsen Larsen's latest is packed with fun, inexpensive and brilliantly simple designs, each with a detailed schematic.
There's an incendiary method of destroying inaccessible taps and bugs, circuits for detecting phone line cuts and usage, designs for undetectable phone taps, ways to use off-the-shelf components to remotely control a bug or phone tap, some low-power-drain circuits for marking hidden caches and much more! For academic study only. 8 1/2 x 11, softcover, photos, illus., 72 pp. ISBN: 1581600070 |
