A modular jack assembly which includes an insulative housing with a first longitudinal wall, a second longitudinal wall superimposed over the first longitudinal wall in spaced parallel relation. A third longitudinal wall is superimposed over the second longitudinal wall in spaced parallel relation. There...http://www.google.com/patents/US6036547?utm_source=gb-gplus-sharePatent US6036547 - Double deck gang jack exhibiting suppressed mutual crosstalk
