Spirent executives were unavailable for comment, so it's unclear whether the sale means the test vendor no longer has mobile video quality test capabilities, or whether the APEX Wireless Multimedia Analyzer product announced in February this year was developed separately and is not part of the sale. (See Spirent Evaluates Mobile Video.)

    Spirent is the subject of much speculation in the test sector, with many believing the new board is preparing the company for a sale, though the company's president and COO, Rob Piconi, told Light Reading recently that isn't the strategy. (See Spirent: We're Not Prepping for Sale.)

    Spirent's share price edged up 1.6 percent today to 77.5 pence on the London Stock Exchange , just more than double the share price (37 pence) a year ago.