BLOOMINGDALE, Ill.--(BUSINESS WIRE)--PCTEL, Inc. (NASDAQ: PCTI), a leader in Performance Critical Telecom solutions, announced today that it has sold its remaining mobile tower inventory to Northern Tower Industries Inc. With that sale, PCTEL will no longer maintain its mobile tower product portfolio, although it will retain certain intellectual property associated with the design of two separate mobile tower product families. The mobile tower product portfolio was one of the assets acquired in