A reconfigurable array for facilitating dynamic combination and distribution of RF/analogue signals, the reconfigurable array comprising: a number, N i, of input devices for generating or supplying RF/analogue input signals; a number, N o, of output devices for analysing or forwarding RF/analogue output signals; an optical switch matrix comprising a number, Np, of ports, wherein each of the ports is an optical input or an optical output, wherein each input device is coupled to a respective port of the optical switch matrix at an optical input, wherein each output device is coupled to a respective port of the optical switch matrix at an optical output, and wherein the optical switch matrix is configurable to enable optical connection of any optical input to any optical output; and a plurality of splitters/combiners that each have multiple uncommon ports which couple to a single common port, wherein each splitter/combiner enables either fan-in of optical signals from the uncommon ports to the common port or fan-out of optical signals from the common port to the uncommon ports, and wherein each port of each splitter/combiner is coupled to a respective port of the optical switch matrix; wherein the plurality of splitters/combiners include at least one M:1 splitter/combiner, where M is a predetermined maximum number of RF/analogue signals for the reconfigurable array to fan-in or fan-out, where M ≤ N i and M ≤ N o; wherein each output device is coupled to the respective port of the optical switch matrix by means of a respective optical-to-electrical, O/E, converter configured to convert an optical signal received from the optical switch matrix into an RF/analogue signal for analysis or onward transmission by the output device; and characterised in that each O/E converter is configured to provide automatic gain control by controlling a respective RF/analogue amplifier based on a measured light level of the received optical signal so as to adjust an output power of the respective RF/analogue signal to a predetermined level. a number, N i, of input devices for generating or supplying RF/analogue input signals; a number, N o, of output devices for analysing or forwarding RF/analogue output signals; an optical switch matrix comprising a number, Np, of ports, wherein each of the ports is an optical input or an optical output, wherein each input device is coupled to a respective port of the optical switch matrix at an optical input, wherein each output device is coupled to a respective port of the optical switch matrix at an optical output, and wherein the optical switch matrix is configurable to enable optical connection of any optical input to any optical output; and a plurality of splitters/combiners that each have multiple uncommon ports which couple to a single common port, wherein each splitter/combiner enables either fan-in of optical signals from the uncommon ports to the common port or fan-out of optical signals from the common port to the uncommon ports, and wherein each port of each splitter/combiner is coupled to a respective port of the optical switch matrix; wherein the plurality of splitters/combiners include at least one M:1 splitter/combiner, where M is a predetermined maximum number of RF/analogue signals for the reconfigurable array to fan-in or fan-out, where M ≤ N i and M ≤ N o; wherein each output device is coupled to the respective port of the optical switch matrix by means of a respective optical-to-electrical, O/E, converter configured to convert an optical signal received from the optical switch matrix into an RF/analogue signal for analysis or onward transmission by the output device; and characterised in that each O/E converter is configured to provide automatic gain control by controlling a respective RF/analogue amplifier based on a measured light level of the received optical signal so as to adjust an output power of the respective RF/analogue signal to a predetermined level.