---
product_id: 39013423
title: "1x3 Single Mode Dual Window (1310/1550nm) Coulper, 33/33/33 Ratio, 900μm Loose Tube Fiber"
brand: "fo4sale"
price: "2959689₫"
currency: VND
in_stock: true
url: https://www.desertcart.vn/products/39013423-1x3-single-mode-dual-window-1310-1550nm-coulper-33-33
store_origin: VN
region: Vietnam
---

# 1x3 Single Mode Dual Window (1310/1550nm) Coulper, 33/33/33 Ratio, 900μm Loose Tube Fiber

**Brand:** fo4sale
**Price:** 2959689₫
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** 1x3 Single Mode Dual Window (1310/1550nm) Coulper, 33/33/33 Ratio, 900μm Loose Tube Fiber by fo4sale
- **How much does it cost?** 2959689₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/39013423-1x3-single-mode-dual-window-1310-1550nm-coulper-33-33)

## Best For

- fo4sale enthusiasts

## Why This Product

- Trusted fo4sale brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

1x3 Single Mode Dual Window (1310/1550nm) 9/125μm Fused Fiber Coulper. 900um loose tube fiber. Split Ratio: 33%, 33%, 33% 
FO4SALE couplers are manufactured in the USA using proven fused biconical taper (FBT) technology, and are designed to meet Telcordia requirements. 
Our high quality, low cost couplers are available in single wavelength and dual window varieties in an assortment of split ratios. 
All device types are available with bare fiber, 900μm, or 3mm pigtails, and can be terminated with your choice of connectors or installed in rack mount modules.

## Features

- 1x3 (1 input, 3 outputs) single mode fiber coupler/splitter
- 33% / 33% / 33% power split ratio among three output legs
- SMF-28e+ 9/125μm single mode fiber by Corning
- Working Wavelength (dual window): 1310nm and 1550nm
- 900μm loose tube legs

## Images

![1x3 Single Mode Dual Window (1310/1550nm) Coulper, 33/33/33 Ratio, 900μm Loose Tube Fiber - Image 1](https://images-na.ssl-images-amazon.com/images/I/31819Ph4YEL.jpg)

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**Shop now:** [https://www.desertcart.vn/products/39013423-1x3-single-mode-dual-window-1310-1550nm-coulper-33-33](https://www.desertcart.vn/products/39013423-1x3-single-mode-dual-window-1310-1550nm-coulper-33-33)

---

*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-05-16*