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[[/Variodyn|Variodyn]] fully digital public address paging system. background infos and useful notations to the pa protocol.
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:[[/Variodyn|Variodyn]] - a fully digital public address paging system by av digital. background infos and useful notations to the pa protocol.
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:[[/Praesidio|Präsidio]] - a fully digital public address paging system by bosch.

Revision as of 22:18, 25 July 2007

Variodyn - a fully digital public address paging system by av digital. background infos and useful notations to the pa protocol.
Präsidio - a fully digital public address paging system by bosch.