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This section looks at the demand for Dense Wave Division Multiplexing (DWDM) skills within the Hertfordshire region with a comparison to our Communications & Networking category. Included is a guide to the average salaries offered in IT jobs that have cited DWDM over the last 3 months to 16 May 2008 with a comparison to the same period last year.
 Dense Wave Division Multiplexing (DWDM) |
| 3 months to 16 May 2008 | Same period last year |
| Rank | - | 152 |
| Rank change on same period last year |  - |
| Matching permanent IT job ads | 0 | 13 |
| As % of all UK permanent IT job ads sampled | 0.000 % | 0.006 % |
| As % of the category below | 0.000 % | 1.288 % |
| Salaries quoted | 0 | 2 |
| Average minimum salary | - | £45,000 |
| Average salary | - | £52,500 |
| % change on same period last year | - |
| Average maximum salary | - | £60,000 |
| UK excluding London average salary | £45,786 | £40,160 |
| % change on same period last year | +14.00 % |
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| Matching permanent IT job ads | 955 | 1009 |
| As % of all UK permanent IT job ads sampled | 0.468 % | 0.447 % |
| Salaries quoted | 846 | 824 |
| Average minimum salary | £35,541 | £37,208 |
| Average salary | £38,167 | £40,408 |
| % change on same period last year | -5.54 % |
| Average maximum salary | £40,794 | £43,609 |
| UK excluding London average salary | £37,693 | £39,086 |
| % change on same period last year | -3.56 % |
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DWDM
Demand TrendThe chart provides a 3-month moving total starting in 2004 of permanent IT jobs ads citing DWDM across the Hertfordshire region as a proportion of the total demand within the Communications & Networking category.
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