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Description
XCVR-S80W30 Ciena® Compatible Transceiver DWDM SFP+ 10GBase C-Band Channel DW30 100GHz (1553.33nm, SMF, 80km, LC, DOM)XCVR S80W30 Ciena Compatible Transceiver DWDM SFP+ 10GBase C Band Channel DW30 100GHz (1553. 33nm, SMF, 80km, LC, DOM) ATGBICS Ciena compatible XCVR S80W30 SFP+ 10GBase DWDM form factor network transceiver supports a distance of up to 80km over single mode fibre (SMF) using a wavelength of 1553. 33nm via an LC Duplex connector. This product operates within a commercial temperature range. Digital optical monitoring (DOM) support is also present
XCVR-S80W30 Ciena® Compatible Transceiver DWDM SFP+ 10GBase C-Band Channel DW30 100GHz (1553.33nm, SMF, 80km, LC, DOM)
ATGBICS Ciena® compatible XCVR-S80W30 SFP+ 10GBase-DWDM form factor network transceiver supports a distance of up to 80km over single-mode fibre (SMF) using a wavelength of 1553.33nm 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 Ciena® XCVR-S80W30 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.
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4.8 ★★★★★
Based on 1882 reviews
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Product Reviews
★★★★★ 3
Typos and confusing/missing information
Format: Paperback, Format: Paperback
I finished Domain 1 and it's okay. Things are explained well, but there are a lot of typos and strange formatting. The cover of the book says 2025-2026, but the spine of the book says 2024-2025.
The way that the quiz questions are worded is confusing and sometimes repetitive. I had 2 of the same questions in a row in one section. I'm struggling to take some quizzes because the questions that are being asked do not reference any material from that section (or anywhere in the book so far). I feel like there is information missing in the sections because the quizzes have random terms that have never been mentioned.
Example: D1: Essential knowledge questions
I am being asked about estimation tools like story points, relative estimation, and planning poker. Nowhere in the book have those things been mentioned.
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Reviewed in the United States on July 23, 2025
★★★★★ 5
You got this! Focus on your education
Format: Paperback
Excellent !
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Reviewed in the United States on January 25, 2026
★★★★★ 5
I passed!!! —Highly Recommend
Format: Paperback
Great study guide and structure tailored to the 4 domains that are in the CAPM Exam. I just passed the exam on my first try scoring above target in 3/4 categories and target in 1/4 categories. The online simulations was a great way to prepare for the exam. Highly recommend you purchase to pass the first try! (This and the PMBOK Guide 7th edition were the only study materials I used)
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Reviewed in the United States on May 20, 2025
★★★★★ 5
Excellent intro to Crypto
Format: Paperback
Great book for learning about Crypto. I found it well balanced between technical and non-technical information. Love the video inserts to help mix up the learning media. I highly recommend this for people trying to understand the economic models of crypto, the history of crypto as well as the more technical information about how it works (which can be easily skipped if you like). I bought a couple of these for friends.
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Reviewed in the United States on August 7, 2025
★★★★★ 5
GREAT BOOK
Format: Paperback, Format: Paperback
Before reading this book, I had no knowledge whatsoever about cryptocurrencies as I started reading through the book I learned about coins, tokens, decentralize systems. Everything you need to know about crypto NFT‘s futures and much more is in this book. The book is also extremely well structured has pictures and very detailed examples. It’s a must buy!
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Reviewed in the United States on January 14, 2025
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