| Schedule of Disaggregation of Revenues |
For Transition Networks, we analyze revenue by region and product group, which is as follows for the years ended December 31, 2019 and 2018:
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Transition Networks Revenue by Region
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2019
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2018
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North America
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$
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39,748,000
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$
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31,059,000
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Europe, Middle East, Africa ("EMEA")
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2,651,000
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2,017,000
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Rest of World
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2,461,000
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3,394,000
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$
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44,860,000
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$
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36,470,000
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Transition Networks Revenue by Product Group
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2019
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2018
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Media converters
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$
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20,005,000
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$
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20,226,000
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Ethernet switches and adapters
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18,845,000
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9,694,000
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Other products
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6,010,000
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6,550,000
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$
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44,860,000
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$
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36,470,000
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For JDL, we analyze revenue by customer group, which is as follows for the years ended December 31, 2019 and 2018:
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JDL Revenue by Customer Group
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2019
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2018
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Education
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$
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1,926,000
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$
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2,651,000
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Healthcare and commercial clients
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2,815,000
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2,483,000
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$
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4,741,000
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$
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5,134,000
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