The SW100 Handheld OTDR is purpose-built as the ultimate installation and maintenance (I&M) tool for FTTx last-mile deployments. Recognizing the need for agility in the field, G-Link has engineered this device to be the smallest professional OTDR available, making it the preferred choice for field technicians and installers.
This SW100 Mini OTDR eliminates the hassle of carrying multiple devices by integrating 7 critical testing functions, effectively simplifying the technician’s toolkit. Beyond standard fiber measurement, its unique RJ45 test capabilities—including both wire sequence identification and precise length measurement—provide a seamless solution for end-to-end network verification. Furthermore, the intuitive 4.3-inch touchscreen and multi-language support (Chinese/English confirmed) ensure that technicians can operate the device efficiently and accurately with minimal training. Choose the SW100 for reliable performance and unparalleled portability in every test scenario.
| Parameter | Specification | Note |
|---|---|---|
| Dimensions / Weight | 185 x 116 x 45 mm / 0.9 kg | Ultra-Portable Design |
| Wavelength | 1310/1550nm (Std) or 1625nm (Live) | ±20nm |
| Dynamic Range | 30 / 28 dB (1310/1550) | |
| Test Range | 300m to 120km | |
| Event Dead Zone | 3 m | |
| Attenuation Dead Zone | 8 m | |
| Screen | 4.3 inch TFT-LCD Touch Screen | |
| OPM Range | -50 ~ +26 dBm | 850~1700nm |
| VFL | 650nm, ≥ 10mW | ≥ 3km Range |
| RJ45 Test | Sequence & Length Measurement | Supports Straight/Crossover wires |
| Battery | 4000mAh Li-ion | ≥ 10 hours continuous operation |
- FTTH Last-Mile Acceptance & Commissioning: Rapid verification and acceptance testing of new fiber drops。
- Active PON Network Troubleshooting: Safe identification of faults in live networks using the 1625nm module.
- Integrated I&M Operations: Unified testing of fiber optic performance and copper cable sequence/length in a single device.
- Fiber Optic Training & Education: Excellent entry-level device for new technicians due to its simplified Event Map feature.
| Model Name | Wavelengths | Dynamic Range | Key Function |
|---|---|---|---|
| SW100-SV20A | 1310 / 1550 nm | 30 / 28 dB | Standard Dark Fiber Testing |
| SW100-SV40F | 1625 nm | 28 dB | Live Testing (In-Service) |
(Package includes: Main Unit, Power Adapter, USB Cable, User Manual, Soft Bag)
Frequently Asked Questions (FAQ)
The SW100 Handheld OTDR integrates a dedicated RJ45 test module. It provides full verification of copper cable continuity and accurately measures the cable's length, making it a true 7-in-1 device for complete network maintenance.
The SW100 is designed for field resilience. It features a detachable universal optical connector. Technicians can easily unscrew the connector for cleaning, ensuring long-term measurement accuracy.
The SW100 supports both. It displays the full trace curve for detailed analysis (for experts) and provides an intelligent Event Map which simplifies faults into clear icons (ideal for fast field troubleshooting).



