FTTH FBT Fiber Coupler Single Mode Multi Mode 1310nm 1550nm
1. all ratio from 1/99 to 50/50
2. high quality hytrel loose tube
3. 900um loose tube
4. 1m, 1.5m length optional
5. wide band, dual windiw
6. 1m, 1. 5m length optional
7. low PDL
8. single mode fiber
9. 900um loose tube
10. single mode fiber
Parameter | Type | 1×4 | 4×4 | ||||
Normal Size | Mini Size | ||||||
Operating wavelength (nm) | 1310 or 1550, others on request | ||||||
Operating bandwidth (nm) | ±15 | ||||||
Grade | P | A | P | A | P | A | |
Typical excess loss (dB) | 0.15 | 0.25 | 0.15 | 0.25 | 0.2 | 0.25 | |
Insertion loss (dB) | ≤7.0 | ≤7.4 | ≤7.2 | ≤7.5 | ≤7.4 | ≤7.8 | |
PDL (dB) | ≤0.15 | ≤0.2 | ≤0.25 | ≤0.35 | ≤0.20 | ≤0.30 | |
Uniformity (dB) | ≤1.0 | ≤1.4 | ≤1.2 | ≤1.5 | ≤1.2 | ≤1.5 | |
Directivity (dB) | ≥55 | ||||||
Operating temperature (°C) | –40 ~ +85 |