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Description
FWLF163221 Finisar Coherent® Compatible Transceiver DWDM Ch21 SFP OC-48/STM-16 2.7GBase (1560.61nm, SMF, 120km, LC, DOM)FWLF163221 Finisar Coherent Compatible Transceiver DWDM Ch21 SFP OC 48 STM 16 2. 7GBase (1560. 61nm, SMF, 120km, LC, DOM) ATGBICS Finisar Coherent Compatible FWLF163221 SFP+ 2. 7GBase DWDM form factor network transceiver supports a distance of up to 120km over single mode fibre (SMF) using a wavelength of 1560. 61nm via an LC Duplex connector. This product operates within a commercial temperature range. Digital optical monitoring (DOM) support is also
FWLF163221 Finisar Coherent® Compatible Transceiver DWDM Ch21 SFP OC-48/STM-16 2.7GBase (1560.61nm, SMF, 120km, LC, DOM)
ATGBICS Finisar Coherent® Compatible FWLF163221 SFP+ 2.7GBase-DWDM form factor network transceiver supports a distance of up to 120km over single-mode fibre (SMF) using a wavelength of 1560.61nm 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® FWLF163221 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.
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- Standard Shipping : 3-10 business days
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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
4.4 ★★★★★
Based on 27 reviews
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Product Reviews
★★★★★ 3
Great Idea but they will let you down eventually
I have used these for years during the winter. The price has nearly tripled but the longevity is the same. I normally purchase three with one being a spare. Within a few weeks they start going. I switch batteries etc but normally that does not help. Its a great idea and my dogs love them but they dont hold up to 10 minutes of play each nite. We do not throw them either, I roll them or kick them as my dogs are older
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Reviewed in the United States on November 12, 2025
★★★★★ 5
Great product
Very good. Hours of fun with the dog.
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Reviewed in the United States on March 3, 2026
★★★★★ 2
Expensive ball- stops working in a week
Came without any protection inside for batteries. Stopped working after a week. Expensive ball to break in a week
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Reviewed in the United States on December 7, 2025
★★★★★ 5
Great ball for dogs
Murphy’s favorite ball!!!
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Reviewed in the United States on February 18, 2026
★★★★★ 5
Great fun for our dogs!
Style: Original
My dogs can’t get enough of this very noisy ball. We have one outside and one in their playroom. It is very noisy. It is very hard. So, I’d say a room with fine furniture is not the place for it. Ours bang it around pretty good.
Our boxer did split one, biting it. But, she’s a serious chewer! Our other dog carries it around sometimes but hasn’t been able to damage it yet. So, I’d say for most chewers it’s going to last a long time.
It’s a great toy but in most households I’d say basement or outside. Again, it’s hard and did ding a few baseboards.
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Reviewed in the United States on March 27, 2026