Features
- Versatile Applications
- Durability
- Fault detection and cable identification
- High sensitivity for detecting signals
- Lightweight and portable
Technical Specifications
| Dual Tone Frequency | 1 kHz |
| Max. Distance of Transmission | 1.24 miles (2 kilometres) |
| Max. Working Current | 30 mA |
| Compatible Connectors | RJ11, RJ45 |
| Max. Signal Voltage | 8 Vp – p |
| Function Display | Led for Wiremap, Tone for Trace |
| Voltage Protection | DC 60 V |
| Battery Type | DC 9.0 V x 1pc |
| Dimension (L x W x D) | 5.47 in x 1.85 in x 1.38 in (13.9 cm x 4.7 cm x 3.5 cm) |
| NF-811 Receiver Specification | |
| Tone Frequency | 1 kHz |
| The Max. Working Current | 90 mA |
| Earphone Jack | 1 |
| Battery Type | DC 9.0 V x 1pc |
| Dimension (L x W x D) | 7.09 in x 1.77 in x 1.18 in (18 cm x 4.5 cm x 3 cm) |









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