second connector member includes a second housing a number of second contacts received in the second housing to electrically contacting with the first contacts and a second shell enclosing the second housing a room is reserved between the second housing and the second shell adapted for receiving the tongue plate enclosed with the grounding bar of the first housing application_number US 2548104 A description referring to fig1 to 4 a cable connector assembly 100 in accordance with the present invention comprises a first connector member 1 and a second connector member 2 in a preferred embodiment the first connector member 1 is a micro coaxial cable connector and the second connector member 2 is a header connector particularly referring to fig5 the micro coaxial cable connector 1 comprises a first metal shell 11 a grounding bar 12 a first dielectric housing 13 a plurality of first conductive contacts 14 and a pulling wire 15 the first housing 13 includes a rod 133 a main portion 131 extending forwardly from the rod 132 and a tongue plate 133 extending forwardly from a front lower portion of the main portion 131 a plurality of grooves 134 longitudinally extend through the middle reign of the main portion 131 and the rod 132 along a front to rear direction a pair of recesses 136 are defined at opposite side edges of the main portion 131 a pair of protrusions.