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The K5821 is a secondary telephone socket module, designed for use with the K5820 master telephone module. The non-screened K5820 BT slave socket requires a minimum 16mm deep mounting box.
MK Modular Datacoms Range overview The K5821 forms part of the MK Logic modular datacoms system, a highly versatile and easy to install range of TV, satellite, data, telephone and fm modules. It does not require a mounting frame as the modules simply clip directly into the face plate. Please see the 'Accessories' and 'More in This Category' tabs to see the range of MK datacoms modules and MK datacoms frames available to use with the K5821.