An analog baseband filter apparatus for a multi-mode and multi-band wireless transceiver, the analog baseband filter apparatus comprising: a plurality of radio frequency, RF, units (302, 304, 306, 322, 324, 326, 328), each of the plurality of RF units (302, 304, 306, 322, 324, 326, 328) being configured for receiving RF signals of one of a plurality of frequency bands and outputting baseband signals; a plurality of filter blocks (312, 314, 316, 332, 334, 336, 338) configured for filtering and amplifying the baseband signals and comprising at least a first filter block and a second filter block; and a switching unit (310, 330) configured for connecting each of at least one of the plurality of RF units (302, 304, 306, 322, 324, 326, 328) to one of the plurality of filter blocks (312, 314, 316, 332, 334, 336, 338) according to a selected communication mode selected out of a first communication mode and a second communication mode, wherein the first filter block comprises a first capacitor region including a first capacitor and the second filter block comprises a second capacitor region including a second capacitor, the second capacitor region being disposed adjacent to the first capacitor region, and wherein in the first communication mode the first filter block and the second filter block are each connected to a corresponding one of the plurality of RF units (302, 304, 306, 322, 324, 326, 328) and in the second communication mode the first filter block is connected to one of the plurality of RF units (302, 304, 306, 322, 324, 326, 328), and the first capacitor included in the first capacitor region of the first filter block is connected to the second capacitor included in the second capacitor region of the second filter block. a plurality of radio frequency, RF, units (302, 304, 306, 322, 324, 326, 328), each of the plurality of RF units (302, 304, 306, 322, 324, 326, 328) being configured for receiving RF signals of one of a plurality of frequency bands and outputting baseband signals; a plurality of filter blocks (312, 314, 316, 332, 334, 336, 338) configured for filtering and amplifying the baseband signals and comprising at least a first filter block and a second filter block; and a switching unit (310, 330) configured for connecting each of at least one of the plurality of RF units (302, 304, 306, 322, 324, 326, 328) to one of the plurality of filter blocks (312, 314, 316, 332, 334, 336, 338) according to a selected communication mode selected out of a first communication mode and a second communication mode, wherein the first filter block comprises a first capacitor region including a first capacitor and the second filter block comprises a second capacitor region including a second capacitor, the second capacitor region being disposed adjacent to the first capacitor region, and wherein in the first communication mode the first filter block and the second filter block are each connected to a corresponding one of the plurality of RF units (302, 304, 306, 322, 324, 326, 328) and in the second communication mode the first filter block is connected to one of the plurality of RF units (302, 304, 306, 322, 324, 326, 328), and the first capacitor included in the first capacitor region of the first filter block is connected to the second capacitor included in the second capacitor region of the second filter block.