| The "TBD 020" telephone bug detector is a mini-device designed to discover the presence of eavesdroppers switched to the telephone line or to the telephone set. | ||
| TECHNICAL DATA | ![]() |
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| Types of bugs discovered | ||
| Alert type | sound & light indicators | |
| High-frequency sensitivity | 0.7 V | |
| Frequency range | 25 - 250 kHz | |
| Operating temperature range | - 10°C / + 50°C | |
| Power supply | AC 220 V / 50 Hz | |
| Dimensions | 41 x 90 x 110 mm | |
| Weight | 0.210 kg | |
| Complete set | Detector and power cable | |