Armored Fiber Optic Cable
GYJH53

1-Optical fiber
2-Tight buffer
3-Strength member
4-Inner Sheath
5-Middle jacket
6-Corrugated steel tape
7-Outer jacket
Technical data
This armored fiber optic cable for wireless remote radio units features a multi-layer composite structure compliant with IEC 60794-3-22 specifications: Contains 2-4 bend-optimized G.657.A2 fibers in compact buffer tubes; Aramid yarn longitudinal strength members (≥2000N tensile load); Dual-layer LSZH (Low Smoke Zero Halogen) protection: Inner jacket: 1.5mm halogen-free compound (IEC 60754-1 compliant) ; Intermediate jacket: 0.8mm flame-retardant layer (IEC 60332-1-2 certified); Corrugated stainless steel tape (0.15mm thickness, 25mm corrugation pitch) ; Longitudinal overlap ≥6mm (EN 50173-1 mechanical protection Class III); UV-resistant MDPE outer sheath (3.0mm nominal thickness) ; IP68 rating (IEC 60529 waterproof standard)
Product features
Enhanced Structural Resilience
Achieves 4000N tensile strength (IEC 60794-1-2 E1 class)
Maintains stable performance across -40°C to +70°C (ETSI EN 300 019 compliant)
IP68 water-blocking protection (IEC 60529 standard)
Space-Efficient Design
- 6-10mm reduced OD range (30% slimmer than conventional designs)
- Minimum bend radius ≤5×OD (G.657.A2 compliant)
- Weight ≤80kg/km (IEC 60794-1-20 density optimized)
Double-layer LSZH composition
Biological Resistance
Rodent-deterrent additive (IEEE 1617 compliant compound) Armored variant available with:
0.2mm corrugated steel tape (IEC 60794-3-22)
Fiberglass reinforced epoxy coating
Applications

Specially designed for cabling in base station,Patch cord in communication equipments
Indoor/outdoor horizontal and vertical cabling
Fiber Transmission Performance
|
Cabled Optical fiber |
62.5um (850nm/1300nm) |
50um (850nm/1300nm) |
G.652 (1310nm/1550nm) |
G.657 (1310nm/1550nm) |
|
Max attenuation(dB/km) |
3.5/1.5 |
3.5/1.5 |
0.4/0.3 |
0.4/0.3 |
|
Typical value(dB/km) |
3.0/1.0 |
3.0/1.0 |
0.36/0.22 |
0.36/0.22 |
Technical Specification
|
Cable type |
Fiber counts |
Tensile force (N) |
Flattening force (N/100mm) |
Minimum bending radius (mm) |
Optical cable diameter (mm) |
|||
|
short term |
Long term |
short term |
Long term |
When installing |
After installation |
|||
|
GYJH53 |
1 |
500 |
250 |
2200 |
1000 |
20D |
10D |
10.5 |
|
GYJH53 |
2 |
500 |
250 |
2200 |
1000 |
20D |
10D |
10.5 |
|
GYJH53 |
4 |
500 |
250 |
2200 |
1000 |
20D |
10D |
10.5 |
• We are well aware of the importance of transportation to products, so we strictly control every aspect of the transportation process to ensure that products can be delivered to customers intact. Our goal is to provide customers with a worry-free shipping experience so that customers can use our products with confidence.
• Whether you need standard products or customized solutions, we can provide you with satisfactory service. Welcome to contact us and let us work together to provide professional support and services for your project.
Cable Packing
Standard length:1,000m or 2,000m; other lengths are also available.
The cables are packed in wooden drums,or follow customer requirements.
Robust Package for Safe Delivery.
Each single length of fiber optic cable shall be reeled on wooden Drum suitable for shipment.
Indoor and FTTH drop cable are packed in small drum and packed in carton individually.Then cartons in one pallet.


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Overview – Armored Fiber Optic Cable for Wireless Remote Radio Unit

This Armored Fiber Optic Cable is specifically designed for FTTA (Fiber to the Antenna) and RRU/AAU (Remote Radio Unit / Active Antenna Unit) applications. The cable features a robust metal armor layer (stainless steel or corrugated steel tape) to provide superior protection against physical damage, rodent interference, and moisture. Built with bend-insensitive singlemode fibers (G.657.A2), it is perfectly suited for 4G/5G RRU fronthaul links, ensuring high-performance transmission in challenging environments.
Engineered and manufactured by Hengtong, a trusted global leader in fiber optic solutions, this cable is designed to support demanding network infrastructure, offering durability and reliability for base station connectivity in wireless networks worldwide.
fiber Key Features & Benefits

Integrated stainless-steel armor for harsh FTTA environments
The cable's robust stainless-steel / corrugated steel tape armor protects the fiber core against rodent attacks, mechanical impact and foot traffic, reducing unexpected outages in demanding base station sites.

High tensile and crush resistance
Combined strength members and corrugated steel armor deliver excellent tensile and crush performance, making the cable ideal for vertical tower runs and long pulling distances during installation.

Bend-insensitive G.657.A2 fibers
Using bend-insensitive singlemode fibers (G.657.A2), the armored fiber optic cable maintains low attenuation even in tight bends inside compact cabinets and at the top of crowded towers.

Dual LSZH jacket for indoor/outdoor transition
Inner and outer LSZH jackets support seamless indoor–outdoor runs, reducing the number of transition points and simplifying construction in base station and equipment room environments.

FTTA-optimized design for 4G/5G RRU/AAU
The cable is engineered as an FTTA RRU cable for mainstream BBU–RRU/AAU architectures, supporting LTE and 5G NR fronthaul and compatible with C-RAN and O-RAN deployments.

Simplified installation – reduced need for additional conduit
Thanks to the integrated armor, many installations can minimize or avoid extra metal flexible conduit or innerduct, lowering overall material and labor costs.
Cable Construction
Central optical fibers
Tight buffered G.657.A2 singlemode fibers, providing low-loss transmission and excellent bending performance for compact routing in RRU/AAU applications.
01
Strength members
High-strength aramid yarns to absorb tensile load during installation and operation, protecting the tight buffered fiber from stress.
02
Inner jacket
A robust LSZH jacket / FTTA-optimized compound forming a smooth, protective inner layer around the strength members, improving handling and cable stability.
03
Corrugated stainless-steel tape armor
A continuous stainless steel tape armor wrapped around the inner core to deliver superior crush resistance, rodent protection and overall mechanical robustness.
04
Outer LSZH / UV-resistant jacket
Durable LSZH jacket, UV-resistant and weatherproof, available in black or customized colors to suit different project and operator requirements.
05
Typical Applications
BBU to RRU/AAU fronthaul links in 4G/5G base stations
Reliable RRU fiber cable connections for LTE and 5G NR fronthaul in modern macro, micro and small cell sites.
Rooftop and tower-mounted RRU/AAU installations
Robust indoor/outdoor armored fiber optic cable for exposed tower and rooftop environments where wind, vibration and accidental impact are common.
Indoor/outdoor base station equipment rooms and shelters
Seamless fiber routing from indoor baseband units to outdoor RRUs, reducing transition points between indoor and outdoor base station fiber.
Vertical runs in shafts and risers within telecom buildings
High-tensile, armored design ideal for vertical cable paths in risers, shafts and technical floors.
Harsh industrial and transportation hubs (metro, rail, tunnels)
Suitable for environments with mechanical stress, dust, moisture and limited space, where a protected FTTA armored fiber is essential.
Security and surveillance links around base station sites
Stable fiber connectivity for IP cameras, access control and monitoring systems deployed around wireless base station compounds.
Customized FTTA Armored Fiber Solutions
As a leading manufacturer of fiber optic cables, Hengtong provides flexible customization and project support to meet the specific needs of operators, system integrators and equipment vendors.

OEM/ODM for customized armored fiber optic cable
Hengtong offers full OEM/ODM capability on customized armored fiber optic cable, including fiber type, fiber count, cable diameter, jacket material, jacket color, printing and reel length to fit different FTTA and base station designs.
Pre-terminated FTTA cable assemblies
The cable can be supplied as a customized RRU fiber cable with factory-installed connectors such as LC, SC, ODC, Fullaxs, PDLC and others. Each assembly is 100% tested to simplify on-site installation and reduce splicing work.


End-to-end OEM FTTA cable solutions
As an OEM FTTA cable partner, Hengtong can provide matched patch cords, distribution cables and accessories, helping you build complete FTTA fronthaul solutions for 4G/5G networks.
Engineering support for operator projects
Hengtong's engineering team can assist with cable selection, route design, mechanical/optical performance matching and technical documentation to support carrier-grade deployments.

FAQ
Q: What is the main difference between this armored RRU cable and standard outdoor fiber cable?
A: This armored fiber optic cable integrates a stainless-steel tape armor layer around the core, providing enhanced protection against crushing, impact and rodents compared with standard outdoor fiber. It is also optimized as an RRU fiber cable for FTTA fronthaul, with bend-insensitive fibers and mechanical performance tailored for tower and rooftop installations.
Q: Can this armored fiber optic cable replace flexible metal conduit in RRU installations?
A: In many FTTA and base station projects, the integrated armor allows the cable to be installed without additional flexible metal conduit or innerduct. This simplifies routing and can reduce overall material and labor costs, while still providing the protection level required for base station fiber in harsh environments. Final conduit decisions should follow local codes and operator specifications.
Q: Is the cable suitable for both indoor equipment rooms and outdoor tower runs?
A: Yes. The cable is designed as an indoor/outdoor armored fiber optic cable with LSZH jackets and UV-resistant outer protection, making it suitable for transitions from indoor equipment rooms to outdoor towers or rooftops. This helps reduce splicing points and makes the FTTA cable layout more straightforward.
Q: Which connectors are compatible with your FTTA armored fiber cables (LC, SC, ODC, PDLC, etc.)?
A: Hengtong can supply the FTTA cable as a pre-terminated assembly with a range of connector types, including LC, SC, ODC, Fullaxs, PDLC and others, depending on the RRU/AAU and BBU interface. Connector configuration, fiber count and length of the RRU fiber cable can be customized according to project requirements.
Q: Can one cable be used for both 4G and 5G RRU/AAU fronthaul links?
A: Yes. The singlemode armored fiber optic cable is designed to support LTE (4G) and 5G NR fronthaul, and is suitable for use in C-RAN and O-RAN architectures. This makes it a future-ready base station fiber choice when upgrading sites from 4G to 5G or deploying multi-technology networks.
Q: What is the typical maximum pulling distance during installation?
A: The maximum pulling distance depends on the specific cable design, tensile rating and installation conditions. As a guideline, the high tensile strength of the armored structure allows longer pulling distances than non-armored FTTA cables, especially for vertical tower runs and duct installations. Hengtong can provide recommended pulling lengths and installation instructions for your chosen armored fiber optic cable type.
Q: Do you provide pre-terminated FTTA cable assemblies with factory testing reports?
A: Yes. Hengtong offers pre-terminated FTTA cable assemblies with connectors installed and polished in the factory. Each RRU fiber cable assembly is 100% tested for insertion loss and return loss, and can be supplied with detailed test reports to support carrier-grade base station deployments.
Q: Can Hengtong customize the cable structure for specific operator standards or local codes?
A: Hengtong can customize the armored fiber optic cable structure, including fiber type, fiber count, jacket material and markings to meet specific operator standards or regional regulations. Our engineering team works closely with customers to align the base station fiber design with local codes, approval processes and long-term FTTA network requirements.
If you are looking for a reliable China Armored Fiber Optic Cable manufacturer or supplier, Hengtong Group is your best choice. Founded in 1991, Hengtong Group has built a good reputation as one of the largest fiber optic and power cable manufacturers in China, with high-quality indoor cables, outdoor cables, fiber optic patch cords, and other related products. To place an order or for further inquiries, please feel free to contact us by phone at +8615711010061 or send an email to jenny@htgd.com.cn . Our team is ready to help you with all your fiber optic cable needs.
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