Operator
Greetings and welcome to the MaxLinear Incorporated Second Quarter 2021 Earnings Conference Call. At this time, all participants are in a listen-only mode. A brief question-and-answer session will follow the formal presentation. [Operator Instructions] As a reminder, this conference is being recorded. It is now my pleasure to introduce your host, Brian Nugent. Thank you sir, you may begin.
Brian D. Nugent
Head of Investor Relations
Thank you operator. Good afternoon everyone and thank you for joining us on today s conference call to discuss MaxLinear s second quarter 2021 financial results. Today s call is being hosted by Dr. Kishore Seendripu, CEO and Steve Litchfield, Chief Financial Officer and Chief Corporate Strategy Officer. After our prepared comments, we will take questions.
Greetings, and welcome to the MaxLinear Incorporated First Quarter 2021 Earnings Call. [Operator Instructions]
It is now my pleasure to introduce your host Brian Nugent. Thank you, sir. You may begin.
Brian D. Nugent
Head of Investor Relations
Thank you, operator, good afternoon, everyone, and thank you for joining us on today s conference call to discuss MaxLinear s first quarter 2021 financial results. Today s call is being hosted by Dr. Kishore Seendripu, CEO; and Steve Litchfield, Chief Financial Officer and Chief Corporate Strategy Officer. After our prepared comments, we will take questions.
Our comments today include forward-looking statements within the meaning of applicable securities laws, including statements relating to our guidance for second quarter 2021 revenue, revenue growth expectations in our principal target markets, GAAP and non-GAAP gross margin, GAAP and non-GAAP operating expense, tax expenses and effective tax rate and interest and other expense.
Greetings and welcome to MaxLinear s Q4 2020 Earnings Conference Call. [Operator Instructions] [Operator Instructions]
I would now like to turn the conference over to your host, Brian Nugent. Thank you. You may begin.
Brian D. Nugent
Head of Investor Relations
Thank you, operator. Good afternoon, everyone, and thank you for joining us on today s conference call to discuss MaxLinear s fourth quarter 2020 financial Results. Today s call is being hosted by Dr. Kishore Seendripu, CEO; and Steve Litchfield, Chief Financial Officer and Chief Corporate Strategy Officer. After our prepared comments, we will take questions.
Our comments today include forward-looking statements within the meaning of applicable securities laws, including statements relating to our guidance for first quarter 2021 revenue, revenue growth expectations in our principal target markets, GAAP and non-GAAP gross margin, GAAP and non-GAAP operating expenses, tax expenses and effective tax rate and interest and o