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| Customization: | Available |
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| Application: | Communication, Fpv Uav Drone |
| Type: | Single-mode Fiber |
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0.25mm 0.27m In stock Low Bending Loss G657A2 fibre Optical Fiber Cable for Uav Fpv Real-Time HD Video Transmission OEM Factory Supply
G.657.A2 Fiber Tether is the ultimate data link for UAVs operating in high-jamming environments. Designed for absolute signal integrity and zero RF footprint, this is the stealth alternative to traditional radio links.
Core Advantages:
Continuous Long-Range: Specialized 50.4km and 60.4km single-spool lengths for deep-penetration missions without splices.
Extreme Flexibility: G.657.A2 glass supports a tight 7.5mm bend radius, perfect for high-speed, compact spooling systems.
Combat Resilient: 100% immune to electronic warfare (EW) and signal spoofing.
High-Tensile/Ultra-Light: Reinforced with aramid yarns to handle flight stress while maintaining a miniaturized profile.
Super tough G.657.A2 Fiber Optic Single Mode cable
The Ultimate Lifeline for Long-Range FPV: 50km 60km Ultra-Lightweight Fiber Tethers
In modern electronic warfare and long-range reconnaissance, signal is survival. When traditional radio links fail due to terrain, distance, or heavy EW jamming, the G.657.A2 Fiber Optic Tether provides a physical, unjammable data highway for your UAV fleet.
Engineered specifically for the demands of high-speed drone deployment, our specialized G.657.A2 single-mode fiber offers the perfect balance of extreme flexibility and high-tensile durability. We provide industry-leading continuous lengths-up to50.4km 60.4km per spool-allowing for unprecedented operational range without a single splice.
Why Operators Choose Our Drone Tethers:
Zero-Interference Communication: Total immunity to RF jamming and spoofing. Maintain 4K video feeds and telemetry in the most contested environments.
Extreme Bend Insensitivity: Utilizing the G.657.A2 standard, our cables maintain signal integrity even at a 7.5mm bend radius, essential for compact, high-speed internal spooling.
Continuous Long-Range Reach: Available in specialized lengths of 50.4km and 60.4km per spool, enabling deep-penetration missions that standard fiber simply cannot reach.
Ultra-Lightweight & High-Tensile: Reinforced with military-grade aramid yarns, our tethers are designed to withstand high-velocity unspooling and aerodynamic drag without snapping.
Fiber Parameters
| No. | Items | Unit | Specification | |
| G.657A2 | ||||
| 1 | Mode Field Diameter | 1310nm | μm | 9.2±0.5 |
| 1550nm | μm | 10.5±0.5 | ||
| 2 | Cladding Diameter | μm | 125±0.7 | |
| 3 | Cladding Non-Circularity | % | ≤1% | |
| 4 | Core-Cladding Concentricity Error | μm | ≤0.5 | |
| 5 | Coating Diameter | μm | 245±10 | |
| 6 | Coating Non-Circularity | % | ≤0.3% | |
| 7 | Cladding-Coating Concentricity Error | μm | ≤12.5 | |
| 8 | Cable Cutoff Wavelength | nm | λcc≤1260 | |
| 9 | Attenuation(max.) | 1310nm | dB/km | ≤0.35 |
| 1550nm | dB/km | ≤0.22 | ||
Cable Parameters
| Items | Specifications | |
| Fiber Count | 1 | |
| Colored Coating Fiber | Dimension | 250±15μm |
| Color | Blue, | |
| Strength Member | Dimension | 0.5mm |
| Material | Steel | |
Self-Supporting Member |
Dimension | 1.0mm |
| Material | Steel | |
| Jacket | Dimension | 5.0±0.2mm×2.0±0.1mm |
| Material | LSZH | |
| Color | Black | |
Mechanical and Environmental Characteristics
| Items | Unite | Specifications |
| Tension(Long Term) | N | 300 |
| Tension(Short Term) | N | 600 |
| Crush(Long Term) | N/10cm | 1000 |
| Crush(Short Term) | N/10cm | 2200 |
| Min. Bend Radius(Dynamic) | mm | 30 |
| Min. Bend Radius(Static) | mm | 15 |
| Installation Temperature | ºC | -20~+60 |
| Operating Temperature | ºC | -40~+70 |
| Storage Temperature | ºC | -40~+70 |
Performance highlights
Features
1. Bend-Insensitive Performance:Special Acrylic resin composite coating that minimizes bending loss.
2. Available in 200μm and 242μm diameters: The fiber reduces the overall cross-sectional area of cables by more than 30%.
3. Tensile strength: Standard fibers typically support 10N, but the FPV Fiber Optic achieves an impressive 50N.
4. Ultra-Thin Design:Standard fibers have an outer diameter of 0.4mm, while the FPV Fiber Optic achieves a reduced size of just 0.27mm.
5. EMI Resistance:Maintains clear transmission quality while effectively avoiding electromagnetic interference.
6. Device Compatibility:The fiber can be integrated with electronic equipment for seamless deployment in specialized applications.
Applications
Specification of Bare Cable
| Bending Insensitive Single-mode Optical Fiber (G . 657A2) | |||
| Attributes | Specification | ||
| Geometric Dimensions |
Cladding Diameter | 125.0±0.7 μ m | |
| Cladding Non-Circularity | ≤ 1% | ||
| Coating Diameter | 245±10 μ m | ||
| Coating-Cladding Concentricity | ≤ 12 μ m | ||
| Coating Non-Circularity | ≤6% | ||
| Core-Cladding Concentricity | ≤0.5 μ m | ||
| Fiber Curl (Radius) | ≥4 m | ||
| Delivery Length | 50.4 and 60.4 km/reel | ||
| Optical Characteristics |
Mode-Field Diameter (MFD) |
@1310nm | 8.6±0.4 μ m |
| Attenuation | @1310nm | ≤0.35 dB/km | |
| @1383nm | ≤0.35 dB/km | ||
| @1550nm | ≤0.21 dB/km | ||
| @1625nm | ≤0.24 dB/km | ||
| Attenuation VS. Wavelength |
@1285-1330nm, Ref. λ @1310nm | ≤0.04 dB/km | |
| @1525-1575nm, Ref. λ @1550nm | ≤0.03 dB/km | ||
| Point Discontinuity | @1310nm | ≤0.05 dB | |
| @1550nm | ≤0.05 dB | ||
| Polarization Mode Dispersion (PMD) |
Maximum Individual Fiber PMD | ≤0.2 ps/(km1/2) | |
| PMD Link Design Value (M=20, Q=0.01%) | ≤0. 1 ps/(km1/2) | ||
| Zero Dispersion Wavelength (λ0) | 1312 ± 12 nm | ||
| Zero Dispersion Slope (S0) | ≤0.092 ps/(nm2.km) | ||
| Dispersion | 1550nm | ≤ 18.6 ps/(nm.km) | |
| 1625nm | ≤23.7 ps/(nm.km) | ||
| Cable Cut-off Wavelength (λcc) | ≤ 1260 nm | ||
| Mechanical Characteristics |
Proof Test | ≥9.0N, ≥1 .0% , ≥100Kpsi | |
| Tensile Strength | 1.7*10 N/mm2 | ||
| Coating Strip Force | Average | 1.5 N | |
| Peak | 1.3-8.9 N | ||
| Macro-bending Loss | 1 Turn, R7.5mm@1550nm & 1625nm | ≤0.5 dB, ≤ 1 dB | |
| 1 Turn, R10mm@1550nm & 1625nm | ≤0.1 dB, ≤0.2 dB | ||
| 10 Turns, R15mm@1550nm & 1625nm | ≤0.03 dB, ≤0. 1 dB | ||
| Environmental Characteristics |
Temperature Dependence (-60ºC to 85ºC, @1310nm & 1550nm & 1625nm) |
≤0.05 dB/km | |
| Water Immersion (23±2ºC , 30days @1310nm & 1550nm & 1625nm) | ≤0.05 dB/km | ||
| Dry Heat Soak (85±2ºC , 30days @1310nm & 1550nm & 1625nm) | ≤0.05 dB/km | ||
| Damp Heat (85±2ºC , at 85%RH, 30days @1310nm & 1550nm & 1625nm) |
≤0.05 dB/km | ||
FAQ
A:30% T/T in advance ,balance before shippment.
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