RICHARDSON (WiMAX Day). Navini Networks has closed a series F financing of US$ 50 million. The round was co-lead by Austin Ventures of Texas and Arcapita Ventures, the venture capital arm of Arcapita Bank of Atlanta, Georgia. The round of funding introduced a new investment from Scottwood Capital, and also included participation from existing investors Granite Ventures, Investor Growth Capital, Lehman Brothers Venture Partners, Sternhill Partners, Intel Capital and Motorola Ventures.