100k+ page views in a month, RPM is only around $0.82. How can I increase the RPM?

Need your expert advise on the ads placement on "TelecomDiary.com".
http://www.telecomdiary.com/i/dnd/idea-do-not-disturb/
On a average, page-views on this portal is more than 100,000 in a month with around […]

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