Rockwell Collins has bought Baltimore, MD-based Communication Solutions for $23 million. The acquisition "expands Rockwell Collins' extensive product portfolio for customers in the areas of signals intelligence (SIGINT) and surveillance solutions," the company said in a statement today. Communication Solutions makes high-performance electronic instruments and sub-systems for communications intelligence, electronic intelligence, signal intercept and processing applications, according to the statement. Rockwell Collins said COM-SOL had revenues of approximately $16 million in 2001, adding that the acquisition "is expected to be...