MILPITAS (WiMAX Day). WiMAX base station and CPE manufacturer Aperto Networks announced yesterday the completion of a follow-on Series E round of financing. The $19 million raised this week brings the total capitalisation of the company to $139 million. According to a press release from the company, this round of financing was led by GunnAllen Venture Partners, and included participation from all of the existing investors including JK&B Capital, Canaan Partners, Alliance Ventures, Innovacom, JAFCO, Labrador Ventures, and Tyco.