Powerwave Technologies released preliminary revenue estimates for its fiscal third quarter ended October 2, 2011, saying that it now anticipates that revenues will be in the range of $75 million to $79 million -- well below market expectations.Powerwave makes antennas and base station components for network equipment manufacturers. The cited a number of several factors, including a significant slowdown in spending by North American network operators, a significant reduction in activity with original equipment manufacturing customers, coupled with...