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- USA
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Ships within 48 hours · Estimated delivery Jul 9 - Jul 14
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Description
FWLF1634RL57 Finisar Coherent® Compatible Transceiver DWDM Ch57 SFP+ 4.25GBase (1531.90nm, SMF, 80km, LC, DOM)FWLF1634RL57 Finisar Coherent Compatible Transceiver DWDM Ch57 SFP+ 4. 25GBase (1531. 90nm, SMF, 80km, LC, DOM) ATGBICS Finisar Coherent Compatible FWLF1634RL57 SFP+ 4GBase DWDM form factor network transceiver supports a distance of up to 80km over single mode fibre (SMF) using a wavelength of 1531. 9nm via an LC Duplex connector. This product operates within a commercial temperature range. Digital optical monitoring (DOM) support is also present
FWLF1634RL57 Finisar Coherent® Compatible Transceiver DWDM Ch57 SFP+ 4.25GBase (1531.90nm, SMF, 80km, LC, DOM)
ATGBICS Finisar Coherent® Compatible FWLF1634RL57 SFP+ 4GBase-DWDM form factor network transceiver supports a distance of up to 80km over single-mode fibre (SMF) using a wavelength of 1531.9nm via an LC Duplex connector. This product operates within a commercial temperature range. Digital optical monitoring (DOM) support is also present enabling real-time monitoring of the parameters of the fibre optic transceiver.
Our product meets the specification of Finisar Coherent® FWLF1634RL57 and we proudly offer a compatibility guarantee and limited lifetime warranty. Our rigorously tested products record a unique traceable serial number and are fully compliant with all MSA (Multi-Source Agreement) and IEEE standards & protocols.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 86 reviews
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Product Reviews
★★★★★ 5
Get this If your hot in bed
Color: Champagne, Size: Queen
Very nice and silky.helps keep me cooler.
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Reviewed in the United States on May 9, 2026
★★★★★ 4
Cool not cold
Color: Light Gray, Size: Queen
Super silky like material. Comfy and fits pillow perfectly. Wish it could be a more cold then cool.
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Reviewed in the United States on June 1, 2026
★★★★★ 3
It’s ok could be cooler
Color: Light Gray, Size: Queen
Decent — could be cooler. They’re a nice color and texture. It fit my pillows well no annoying zippers it’s nice to sleep on and stay in place.
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Reviewed in the United States on March 8, 2026
★★★★★ 5
Comfort
Color: Champagne, Size: Queen
What a lifesaver, great feel, and awesome cooling feel
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Reviewed in the United States on June 2, 2026
★★★★★ 5
Cool bedding
Color: Champagne, Size: Queen
As advertised nice and soft. But most of all cool. It really stays cool, especially on warm nights. A.
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Reviewed in the United States on April 26, 2026