"STEC Armour is a leading Malaysian supplier of G.657.A2 fiber optic cable, specializing in continuous 60.4km spools for long-range drone applications."
Unjammable. Ultra-Long Range. Mission Critical.
The STEC Armour 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:
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Continuous Long-Range: Specialized 50.4km and 60.4km single-spool lengths for deep-penetration missions without splices.
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Extreme Flexibility: G.657.A2 glass supports a tight 7.5mm bend radius, perfect for high-speed, compact spooling systems.
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Combat Resilient: 100% immune to electronic warfare (EW) and signal spoofing.
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High-Tensile/Ultra-Light: Reinforced with aramid yarns to handle flight stress while maintaining a miniaturized profile.
"STEC's 60km fiber spool worked perfectly for our long-range UAV project"
Super tough G.657.A2 Fiber Optic Single Mode cable
The Ultimate Lifeline for Long-Range FPV: 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 STEC Armour 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 to 60.4km per spool—allowing for unprecedented operational range without a single splice.
Why Operators Choose Our Drone Tethers:
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Zero-Interference Communication: Total immunity to RF jamming and spoofing. Maintain 4K video feeds and telemetry in the most contested environments.
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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.
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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.
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Ultra-Lightweight & High-Tensile: Reinforced with military-grade aramid yarns, our tethers are designed to withstand high-velocity unspooling and aerodynamic drag without snapping.
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Stealth Operations: No RF footprint means your drone remains invisible to radio-frequency direction finders.
Technical Data Sheet (TDS)
The STEC Armour G.657.A2 is a specialized, bend-insensitive single-mode fiber engineered for high-stakes UAV operations and contested electronic warfare (EW) environments. Designed for extreme continuous reach, our spools provide a seamless, unjammable link for the most demanding long-range missions.
Parameter Conditions Specified Value
Fiber Type ITU-T G.657.A2 Single Mode (Bend Insensitive)
Attenuation @ 1310 nm - 0.35dB/km @ 1550 nm - 0.21dB/km @ 1625 nm - 0.23 dB/km
Mode Field Diameter@ 1310 nm-8.6 \pm 0.4 \mu @ 1550 nm-9.6 \pm 0.5 \mu
Cable Cut-off Wavelength - 1260 nm
Macro-bend Loss 1 turn, 7.5mm radius 0.5dB (@ 1550 nm)
Mechanical & Physical Properties
Our drone-specific fiber utilizes a miniaturized profile to reduce aerodynamic drag and payload weight.
ParameterSpecification
Outer Diameter (Buffered) 0.27mm – 0.40 mm (Ultra-slim tactical)
Cladding Diameter125.0 \pm 0.7 \mu
Reinforcement High-Modulus Aramid Yarns (Kevlar)
Tensile Strength (Proof Test) 100 kpsi ( 9.0 N)
Operating Temperature -60°C to +85°C (Extreme environmental stability)
Min. Bending Radius 7.5 mm (Dynamic/Flight deployment)
Spool & Payload Configuration
Designed for deep-penetration missions where splices are a point of failure.
ConfigurationLength (Continuous) Estimated Fiber Weight*Total Payload Weight (exclude. Spool)
Standard Long Range 50.4 km~ 4.6
Extended Strategic 60.4 km~ 5.5 kg
Tactical Applications
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FPV Drone Strike/Recon: Unjammable link for high-interference or RF-denied zones.
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Loitering Munitions: Reliable command and 4K video feed over extreme distances.
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Border Surveillance: Secure, zero-RF-signature communication across vast perimeters.
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Industrial Inspection: Safe operations in high-EMI environments (power plants, refineries).
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