Spirent Communications Plc revenue for the last year amounted to 474.30 M USD, the most of which — 275.20 M USD — came from its highest performing source at the moment, Networks & Security, the year earlier bringing 343.00 M USD. The greatest contribution to the revenue figure was made by United States — last year it brought Spirent Communications Plc 250.40 M USD, and the year before that — 317.30 M USD.