Sequoia Communications Raises $15 Million in Series D Funding Sequoia Communications, the RF semiconductor company setting new benchmarks in multi-mode design and integration, today announced the company has successfully secured $15 million in series D financing. Gabriel Ventures has led the round. Also contributing to this over-subscribed round were all previous investors, including highly respected Nokia Venture Partners, Tallwood Venture Capital, Cadence Design Systems and Huntington Ventures.