Pre-terminated armored single-mode duplex patch cable for FTTH, data centers, inter-building backbones and long-distance outdoor runs. Fixed-specification lengths from 1m to 1000m — no custom cutting.
- Rugged Armored Outdoor Design: Built-in stainless steel armor resists crushing, moisture, rodent bites, and UV exposure — for underground conduits, exterior building links, and industrial wiring.
- High-Performance SMF Fiber: OS1/OS2 compatible low-loss single-mode duplex for stable long-distance transmission. Suited to 1G/10G/40G Ethernet, telecom, and backbone networks (per listing).
- Uniboot Connectors for Dense Cabling: Two fibers in a single LC housing — less clutter, better airflow, simpler routing in high-density patch panels and data centers.
- Wide Compatibility: Cisco, Juniper, Arista, Ubiquiti UniFi, Mikrotik, TP-Link, Netgear, Intel, HPE, Fortinet and more; works with SFP/SFP+/XFP/QSFP+ transceivers, switches, media converters, ONU/OLT ports (per listing).
- Low-Friction LSZH Jacket: Ultra-low friction coefficient (μ<0.2) makes the cable easy to push or pull through long or congested conduits; flame-retardant, low-smoke per listing.
| Fiber Mode | OS1/OS2 Single Mode 9/125μm, G.657.A2 bend-insensitive |
| Fiber Count | 2 Fibers (Duplex) |
| Connectors | LC/UPC to LC/UPC, Uniboot (Male-to-Male) |
| Insertion Loss | ≤0.3dB (per listing spec table) |
| Return Loss | ≥50dB (per listing spec table) |
| Wavelength | 1310nm – 1550nm |
| Armor / Strength | Stainless steel tube (helical) + Kevlar |
| Jacket | Black LSZH, OD 3.0mm, ultra-low friction (μ<0.2), flame-retardant low-smoke (per listing) |
| End-face | Moisture-resistant baked polish |
| Temperature | −40°C ~ +85°C |
| Standards Listed | RoHS, ISO/IEC 11801, IEC-61754 (as stated on listing; no UL/OFNR/OFNP rating claimed) |
Specs and bullets are from our own Amazon listing (ASIN B0DSJ7LZKK, captured 2026-10-22) and product images. Outdoor positioning per listing; no UL/OFNR/OFNP rating is claimed.

![[待核实 UNVERIFIED] Single-Mode Duplex Armored Patch Cable — LC/UPC(蓝色头系列, OS1 Duplex 素材) detail OS2 Armored Fiber Optic Patch Cable — LC to LC Duplex Uniboot, Single Mode 9/125μm G.657.A2, LSZH](https://fiberstrue.com/wp-content/uploads/2026/10/unverified-sm-duplex-armored-p2-600x600.png)
![[待核实 UNVERIFIED] Single-Mode Duplex Armored Patch Cable — LC/UPC(蓝色头系列, OS1 Duplex 素材) detail OS2 Armored Fiber Optic Patch Cable — LC to LC Duplex Uniboot, Single Mode 9/125μm G.657.A2, LSZH](https://fiberstrue.com/wp-content/uploads/2026/10/unverified-sm-duplex-armored-p3-600x600.png)

![[待核实 UNVERIFIED] Single-Mode Duplex Armored Patch Cable — LC/UPC(蓝色头系列, OS1 Duplex 素材) detail OS2 Armored Fiber Optic Patch Cable — LC to LC Duplex Uniboot, Single Mode 9/125μm G.657.A2, LSZH](https://fiberstrue.com/wp-content/uploads/2026/10/unverified-sm-duplex-armored-p2-100x100.png)
![[待核实 UNVERIFIED] Single-Mode Duplex Armored Patch Cable — LC/UPC(蓝色头系列, OS1 Duplex 素材) detail OS2 Armored Fiber Optic Patch Cable — LC to LC Duplex Uniboot, Single Mode 9/125μm G.657.A2, LSZH](https://fiberstrue.com/wp-content/uploads/2026/10/unverified-sm-duplex-armored-p3-100x100.png)


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