A connector holder plate for fixating a connector of a cable, such as a coaxial-cable, to a base frame fixed to a building wall, - said connector (40, 40') comprising: a) a connector body (44, 44'), b) a first connection interface accessible for a user during everyday use and c) a second connection interface (43, 43') connectable to said cable, - - said first connection interface extending from said connector body (44, 44') and comprising a circumferential flange spaced apart from said connector body (44, 44') by a gap, - said connector holder plate comprising: - - a front side, a rear side, and - - a through-going aperture sized to receive said first connection interface, - - - said through going aperture having a first reduced size portion configured for receiving a part of said first connection interface between said circumferential flange and said connector body (44, 44'). characterised in that said connector holder plate includes a first flexible lock member having a proximal end and a free distal end, said distal end being located within said through-going aperture in a first configuration of said first flexible lock member, said first flexible lock member being configured for being temporarily flexed from said first configuration to a second configuration by said circumferential flange during insertion of said connector (40, 40') into said first reduced size portion and to return to said first configuration when said part of said connector (40, 40') is received by said first reduced size portion and for being manually temporarily flexed by the user from said first configuration to said second configuration to allow for removal of said connector (40, 40') from said first reduced size portion. - said connector (40, 40') comprising: a) a connector body (44, 44'), b) a first connection interface accessible for a user during everyday use and c) a second connection interface (43, 43') connectable to said cable, - - said first connection interface extending from said connector body (44, 44') and comprising a circumferential flange spaced apart from said connector body (44, 44') by a gap, a) a connector body (44, 44'), b) a first connection interface accessible for a user during everyday use and c) a second connection interface (43, 43') connectable to said cable, - - said first connection interface extending from said connector body (44, 44') and comprising a circumferential flange spaced apart from said connector body (44, 44') by a gap, - said connector holder plate comprising: - - a front side, a rear side, and - - a through-going aperture sized to receive said first connection interface, - - - said through going aperture having a first reduced size portion configured for receiving a part of said first connection interface between said circumferential flange and said connector body (44, 44'). characterised in that said connector holder plate includes a first flexible lock member having a proximal end and a free distal end, said distal end being located within said through-going aperture in a first configuration of said first flexible lock member, said first flexible lock member being configured for being temporarily flexed from said first configuration to a second configuration by said circumferential flange during insertion of said connector (40, 40') into said first reduced size portion and to return to said first configuration when said part of said connector (40, 40') is received by said first reduced size portion and for being manually temporarily flexed by the user from said first configuration to said second configuration to allow for removal of said connector (40, 40') from said first reduced size portion. - - a front side, a rear side, and - - a through-going aperture sized to receive said first connection interface, - - - said through going aperture having a first reduced size portion configured for receiving a part of said first connection interface between said circumferential flange and said connector body (44, 44'). characterised in that said connector holder plate includes a first flexible lock member having a proximal end and a free distal end, said distal end being located within said through-going aperture in a first configuration of said first flexible lock member, said first flexible lock member being configured for being temporarily flexed from said first configuration to a second configuration by said circumferential flange during insertion of said connector (40, 40') into said first reduced size portion and to return to said first configuration when said part of said connector (40, 40') is received by said first reduced size portion and for being manually temporarily flexed by the user from said first configuration to said second configuration to allow for removal of said connector (40, 40') from said first reduced size portion.