KARACHI: The German-based Rohde & Schwarz group will present its state-of-the-art secure communications products and systems in Karachi. The electronics group, headquartered in Munich (Germany), has a global presence and is among the world market leaders in its established business fields. In the field of secure communications, the company is displaying SCA-compliant software-defined radios with high-data rate waveforms and VoIP-based communications solutions …