An insert device for use in a communication jack, comprising: a housing including walls (128, 130, 132, 134) defining an interior space; a plurality of plug interface contacts (104, 106, 108, 110, 112, 114, 116, 118) mounted with respect to the housing, wherein at least one plug interface contact of the plurality thereof includes a first length extent extending along a first axial path and a slanted extent configured to be contacted by a connector blade of a mating plug connector and defining a first reaction surface that includes a first electrically conductive surface; a reactance unit including a reactance circuit at least partially disposed within the interior space of the housing and operable to at least one of reduce and compensate for an electrical noise associated with signals conducted by the plug interface contacts (104, 106, 108, 110, 112, 114, 116, 118) of the plurality thereof, and a resilient frame supporting the reactance circuit relative to the at least one plug interface contact, the reactance circuit further including a flexible printed circuit board having an interconnection section including a plurality of interconnection elements (548, 550, 552, 554, 556, 558, 560, 562) and end sections (402, 404) including a plurality of capacitive elements (900, 902, 904, 906) in electrical communication with the interconnection elements (548, 550, 552, 554, 556, 558, 560, 562) of the plurality thereof, at least one interconnection element of the plurality thereof defining a second reaction surface (432, 564) that includes a second electrically conductive surface (432, 564); wherein the insert device is operable to move the reactance circuit, relative to the at least one plug interface contact by sliding the second reaction surface across the first reaction surface; and wherein the resilient frame is operable to press the second electrically conductive surface (432, 564) against the first electrically conductive surface with a force sufficient to preserve direct electrical communication between the reactance circuit and the at least one plug interface contact upon insertion of the plug connector in the communication jack. a housing including walls (128, 130, 132, 134) defining an interior space; a plurality of plug interface contacts (104, 106, 108, 110, 112, 114, 116, 118) mounted with respect to the housing, wherein at least one plug interface contact of the plurality thereof includes a first length extent extending along a first axial path and a slanted extent configured to be contacted by a connector blade of a mating plug connector and defining a first reaction surface that includes a first electrically conductive surface; a reactance unit including a reactance circuit at least partially disposed within the interior space of the housing and operable to at least one of reduce and compensate for an electrical noise associated with signals conducted by the plug interface contacts (104, 106, 108, 110, 112, 114, 116, 118) of the plurality thereof, and a resilient frame supporting the reactance circuit relative to the at least one plug interface contact, the reactance circuit further including a flexible printed circuit board having an interconnection section including a plurality of interconnection elements (548, 550, 552, 554, 556, 558, 560, 562) and end sections (402, 404) including a plurality of capacitive elements (900, 902, 904, 906) in electrical communication with the interconnection elements (548, 550, 552, 554, 556, 558, 560, 562) of the plurality thereof, at least one interconnection element of the plurality thereof defining a second reaction surface (432, 564) that includes a second electrically conductive surface (432, 564); wherein the insert device is operable to move the reactance circuit, relative to the at least one plug interface contact by sliding the second reaction surface across the first reaction surface; and wherein the resilient frame is operable to press the second electrically conductive surface (432, 564) against the first electrically conductive surface with a force sufficient to preserve direct electrical communication between the reactance circuit and the at least one plug interface contact upon insertion of the plug connector in the communication jack.