A body-coupled communication apparatus configured to be placed at or in close proximity to a human or animal body for transmitting and/or receiving signals via the body, the apparatus comprising: - a coupler arrangement comprising a plurality of couplers (11,12,13) configured to couple the signals between the apparatus and the body; - signal electronics configured to process and/or generate the signal depending on an operational mode (OT,OR,OW) of the apparatus; - a routing network configured to provide variable routing of the signals between the signal electronics and the couplers (11,12,13) thereby, by said variable routing, providing a selection between distinct coupling modes (CT,CR,CW) of the coupler arrangement, wherein the selection of each distinct coupling mode (CT,CR,CW) is provided by the selection of a coupler arranged to provide a distinct coupling impedance between the apparatus and the body for coupling the signals therein between; and - a mode selector configured to switch the apparatus between the operational modes (OT,OR,OW) and control the routing network to select between the distinct coupling modes (CT,CR,CW) based on the operational mode (OT,OR,OW) of the apparatus, characterised in that the mode selector is operable to switch the apparatus between - a low frequency mode, wherein the signal electronics are configured to operate with relatively low frequency signals; and - a high frequency mode wherein the signal electronics are configured to operate with relatively high frequency signals, higher than the low frequency signals; - wherein the routing network is controlled to connect one or more additional couplers (12,14) to the signal electronics in the low frequency mode compared to the high frequency mode, for increasing a total coupling surface of the couplers. - a coupler arrangement comprising a plurality of couplers (11,12,13) configured to couple the signals between the apparatus and the body; - signal electronics configured to process and/or generate the signal depending on an operational mode (OT,OR,OW) of the apparatus; - a routing network configured to provide variable routing of the signals between the signal electronics and the couplers (11,12,13) thereby, by said variable routing, providing a selection between distinct coupling modes (CT,CR,CW) of the coupler arrangement, wherein the selection of each distinct coupling mode (CT,CR,CW) is provided by the selection of a coupler arranged to provide a distinct coupling impedance between the apparatus and the body for coupling the signals therein between; and - a mode selector configured to switch the apparatus between the operational modes (OT,OR,OW) and control the routing network to select between the distinct coupling modes (CT,CR,CW) based on the operational mode (OT,OR,OW) of the apparatus, - a low frequency mode, wherein the signal electronics are configured to operate with relatively low frequency signals; and - a high frequency mode wherein the signal electronics are configured to operate with relatively high frequency signals, higher than the low frequency signals; - wherein the routing network is controlled to connect one or more additional couplers (12,14) to the signal electronics in the low frequency mode compared to the high frequency mode, for increasing a total coupling surface of the couplers.