Rambus Inc. provided revenue guidance for the first quarter of 2022. For the quarter, the company expects royalty revenue to be between $30 million and $36 million, product revenue to be between $43 million and $49 million and contract and other revenue to be between $12 million and $18 million. Revenue is not without risk and achieving revenue in this range will require that the Company sign customer agreements for various product sales and solutions licensing, among other matters.