Electronic Surveillance Devices is a practical book for security professionals, system installers, and hobbyists.
Author Paul Brookes discusses the practicalities of electronic surveillance with plenty of clear, detailed information on building devices at central to surveillance and counter-surveillance.
Do-it-yourself electronics projects are supported with principles and brief surveys of each device. In this second edition there is extended material about microphones, amplifiers, and transmitters.
- Extensive explanations of the electronic acoustic devices such as amplifiers, transmitters, and microphones