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| Customization: | Available |
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| Application: | Communication, Fpv Drone |
| Type: | Single-mode Fiber |
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Ultra-Light G657A2 Optical Fiber for High-Speed FPV Drone HD Video and Signal Transmission OEM Supplier
The G657A2 single-mode optical fiber is specially designed for applications requiring high bend resistance and flexibility, making it ideal for FPV (First-Person View) drone signal transmission. It maintains stable optical performance even in extremely tight spaces and sharp bends, ensuring uninterrupted, high-speed data flow. This fiber complies with ITU-T G.657.A2 standards and is widely used in lightweight, miniaturized aerial communication systems.
| Characteristics | Unit | Value | |
| Geometrical | Cladding Diameter | μm | 125.0±1.0 |
| Cladding Non-circularity | % | ≤1.0 | |
| Core-Cladding Concentricity Error | μm | ≤0.6 | |
| Core Non-circularity | % | ≤12 | |
| Coating Diameter | μm | 243±5 | |
| Coating-Cladding Concentricity Error | μm | ≤12 | |
| Curl Radius | m | ≥4 | |
| Attenuation | 1310nm | dB/km | ≤0.35 |
| 1383nm | dB/km | ≤0.33 | |
| 1550nm | dB/km | ≤0.21 | |
| 1625nm | dB/km | ≤0.24 | |
| Attenuation vs Wavelength Max Difference | 1285nm ~ 1330nm vs 1310nm | dB/km | ≤0.04 |
| 1525nm ~1575nm vs 1310nm | dB/km | ≤0.03 | |
| 1485nm ~1580nm vs 1550nm | dB/km | ≤0.04 | |
| Dispersion Coefficient | 1285nm~1340nm | ps/(nmkm) | ≥-3.5 ≤3.5 |
| 1271nm~1360nm | ps/(nmkm) | ≥-5.3 ≤5.3 | |
| 1480nm~1580nm | ps/(nmkm) | ≤20 | |
| 1550nm | ps/(nmkm) | 13.3-18 | |
| 1625nm | ps/(nmkm) | 17.2-23 | |
| Zero Dispersion Wavelength λ0 | nm | 1300-1324 | |
| Zero Dispersion Slope S0 | ps/(nm²km) | 0.073-0.092 | |
| Typical Value | ps/(nm²km) | ≤0.086 | |
| PMD | Maximum Individual Fiber | ps/√km | ≤0.06 |
| Link (M=20, Q=0.01%) | ps/√km | ≤0.06 | |
| Typical Value | ps/√km | ≤0.04 | |
| Cable Cut-off Wavelength λcc | nm | 1180-1330 | |
| MFD | 1310nm | μm | 9.1±0.4 |
| 1550nm | μm | 10.4±0.5 | |
| Effective Group Index of Refraction | 1310nm | 1.4672 | |
| 1550nm | 1.4683 | ||
| Point Discontinuity | 1310nm | dB | ≤0.05 |
| 1550nm | dB | ≤0.05 | |
| Temperature Cycling | -60ºC ~+85ºC | dB/km | ≤0.03 |
| Temperature Humidity Cycling | 85ºC, RH 85%, 30 Days | dB/km | ≤0.03 |
| Water Immersion | 23ºC, 30 Days | dB/km | ≤0.03 |
| Dry Heat Aging | 85ºC, 30 Days | dB/km | ≤0.03 |
| Proof Test | % | ≥1 | |
| N | ≥9.1 | ||
| Gpa | ≥0.73 | ||
| Coating Strip Force | Peak Force | N | 1.3-8.9 |
| Typical Value | N | 1.9 | |
| Dynamic Fatigue Nd | ≥20 | ||
| Macro-bend Induced Attenuation | 1 turn around a mandrel of Φ 32 mm ,1310nm | dB | ≤0.05 |
| 100 turns around a mandrel of Φ 60 mm 1550nm | dB | ≤0.05 | |
| 100 turns around a mandrel of Φ 60 mm , 1625nm | dB | ≤0.05 | |
| Length per reel | km | 24.4/48.8/50.4 | |
The factory was set up in 1958. Registered ZHEJIANG WANSHENG YUNHE STEEL CABLE CO., LTD in 2006. Nowadays it has became an enterprise which specially produce brand "Yunhe" metal product series in metallurgical industry. Also it is national key supporting hightech enterprise. We now have a registered capital of 200 million RMB and covering an area of 30 thousand square meters. Our company has attained ISO9001 quality management system certification and ISO 14001 quality system certification.
We are well recognized and praised by numerous customers both home and abroad because of our first-class quality, in-time delivery and high-efficiency service.
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