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The difference between FWDM and CWDM is that FWDM canmultiplex or de-multiplex two or more optical signals of differentwavelengths in a single wide wavelength range channel, as well asincreasing signal transmission speed and communication capacity. FWDM device is widely used in telecommunications, radio and television, enterprise network, campus network and other fields
Filter-based Wavelength Division Multiplexer (Filter WDM, or FWDM) isbased on the mature membrane filter technology, with a wide channelbandwidth, low insertion loss, high channel isolation degrees and highenvironmental stability and reliability. It is widely used insingle-mode fiber optic communication systems and DFA.
The FWDM series is based on environmentally stable Thin Film Filterstechnology. The device combines or separates light at differentwavelengths in a wide wavelength range. They offer very low insertionloss, low polarization dependence, high isolation and excellentenvironmental stability. In FiberStore, Filter-Based WDM product familycovers following wavelength windows commonly used in optical fibersystems: 1310/1550nm (for WDM or DWDM optical communications),1480/1550nm (for high-power DWDM optical amplifier and EDFA),1510/1550nm (for DWDM multi-channel optical networks) and 980/1550nm(for high performance DWDM optical amplifier and EDFA) and1310/1490/1550nm (for PON, FTTX and test instrument).
1310/1490/1550 FTTX FWDM is based on filter based platform foroptical device. This multiplexer features ultra low loss, highisolation, and high reliability.
Fi1490/1310/1550nm FTTH FWDM can realize the multiplexing andde-multiplexing of two communication signal 1490/1310 and 1550nm. It canexpand the capacity of a single fiber to achieve bidirectionalcommunication, so that widely used in optical network upgrade andexpansion, or introduce new comprehensive business etc.
READ MORE ...How To Choose Patch panelAs you might know, GEPON system itself works on 1310/1490, so CATVsignal here is delivered over same fiber using 1550nm, and FWDM is aplace where all this get’s “mixed”.
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* Delivery Time.
We need 1-2 days to process your order before shipping. There are two shipping methoed.
Fast Delivery: The delivery time for US, European countries the delivery will take 3-5 days.
Slow Delivery: The delivery time for US, European countries the delivery will take 7-15 days.
* Tracking information.
After we ship package, customer receive automatic email with tracking details.
* Lost Package Policy.
If a package did not arrive in 2 weeks after the shipping date, then this package is treated as Lost. In this case a new package will be shipped to the customer provided we are able to give the same items as those purchased by the customer. If we are not able to provide the same items to substitute the lost ones we will either propose to the customer similar items or refund their cost as it will be mutually agree with the customer. If one or more items neither the same nor similar are available to be shipped, the customer can request to cancel the order entirely, thus the total cost of the order including shipping and handling cost will be fully refunded.
