Detecting devices

TDR-800

Pocket-sized R.F.- and tape recorder detector. Wear it and you will be alerted instantly by a gentle, soundless vibration when you contact an unauthorized radio transmitter or tape recorder. It's the most concealable device to protect the privacy of conversations available today.

Technologically the most advanced counter surveillance package on the market today! Fully computerized. Silently monitors and detects suspicious signals 24 hours a day, automatically! RF frequency coverage: 10 KHz-3000 MHz (including infrared- and tape recorder detection). Provided with large LCD screen and printer enabling the printing of 'hard' copies' for reference afterwards.

Direct from stock!