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2×2 1310 & 1490nm Dual Window Singlemode FBT Coupler Splitter With Steel Tube
The 2×2 1310 & 1490nm Dual Window Singlemode FBT Coupler Splitter With Steel Tube is a high-performance optical splitting and combining device designed for stable operation across the 1310 nm (O-band) and 1490 nm (E-band) wavelength windows. Manufactured using advanced Fused Biconical Taper (FBT) technology, this coupler splitter offers low insertion loss, precise splitting ratios, excellent wavelength stability, and consistent bidirectional optical performance for dual-wavelength singlemode fiber networks.
$17.38
2×2 1310 & 1490nm Dual Window Singlemode FBT Coupler Splitter With Steel Tube
The 2×2 1310 & 1490nm Dual Window Singlemode FBT Coupler Splitter With Steel Tube is a high-performance optical splitting and combining device designed for stable operation across the 1310 nm (O-band) and 1490 nm (E-band) wavelength windows. Manufactured using advanced Fused Biconical Taper (FBT) technology, this coupler splitter offers low insertion loss, precise splitting ratios, excellent wavelength stability, and consistent bidirectional optical performance for dual-wavelength singlemode fiber networks.
Protected by a rugged stainless-steel tube, the device provides superior mechanical durability, enhanced environmental resistance, and long-term operational reliability in both indoor and outdoor deployment conditions. The precision fused-taper design ensures low polarization-dependent loss (PDL) and uniform optical power distribution across all ports.
With its 2×2 configuration, the device supports flexible functionality as both a splitter and a combiner, making it suitable for a wide range of optical applications. Available in multiple coupling/split ratios—such as 50/50, 60/40, 70/30, 80/20, and 90/10—it is widely used in FTTH/FTTx systems, EPON/GPON PON networks, CATV distribution, optical monitoring, CWDM/DWDM systems, and fiber-optic sensing setups.
Specifications
| Parameter | Value | ||||
|---|---|---|---|---|---|
| Configuration | 1 x 2 or 2 x 2 | ||||
| Type | Single Window | Dual Window | Three Window | All Band | |
| Center Wavelength | 1310/1550nm | 1310 & 1550nm/1310 & 1490nm/1490 & 1550nm | 1310 & 1490 & 1550nm | 1260 ~ 1620nm | |
| Operating Wavelength Range | ±40nm | ±40nm | ±40nm | – | |
| Insertion Loss | 50/50 | ≤3.4dB | ≤3.6dB | ≤3.6dB | ≤3.8dB |
| 10/90 | ≤10.65/0.65dB | ≤11.2/0.75dB | ≤11.2/0.75dB | ≤11.4/1.15dB | |
| 5/95 | ≤13.8/0.4dB | ≤14.15/0.4dB | ≤14.15/0.4dB | ≤14.3/0.8dB | |
| 1/99 | ≤21.15/0.2dB | ≤21.6/0.25dB | ≤21.6/0.25dB | ≤21.95/0.65dB | |
| PDL | ≤0.15dB | ||||
| Directivity | ≥55dB | ||||
| Return Loss | ≥50dB | ||||
| Operating Temperature | -10 ~ +70°C | ||||
| Storage Temperature | -40 ~ +85°C | ||||
| Dimension | Φ3 x 54mm | ||||
Note:
- Above specifications are for devices without connector. Add an additional 0.2dB loss per connector.
- Only the popular coupling ratios are listed. For more parameters, please contact sales@FiberLife.net.
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