The conference call will also be webcast.Explore how you can deliver services that simplify and enhance consumers’ lives >Edwards continued, “We saw strong performance in the first quarter with net sales, non-GAAP adjusted EBITDA and adjusted EPS consistent with our expectations.
We're working with customers to deliver that on a very flexible basis so that we can get them the network capacity they need as quickly as they need it. I appreciate that help. Some parts of the market are reacting a bit differently, but it is a challenged part of what the portfolio is right now.Given the significant business uncertainty that we face, considering COVID-19, we believe that maximizing our available cash and liquidity is the most prudent action in the near term.
Retirement I wanted to make sure that was clear.Outdoor wireless networks first quarter net sales were $348.9 million, a decline of about 11%. Our guys have done a great job.
From a kind of margin trend standpoint, the mix of that business matters pretty significantly, to the extent, operators are using more licenses as opposed to physical nodes that would trend the mix higher. See you at the top! And then obviously, in this current environment, with the supply disruptions, we anticipate those recovering as we get into the back half of the year. Okay. We're very disciplined on our receivables and our payables. The year began with a strong order pace in both infrastructure and networking, and we ended the quarter with a strong backlog.
So it's all supply, supply related, which is fantastic. In addition, hyperscale data center sales nearly doubled in the quarter, and we're being very aggressive with our R&D investments to capitalize on our continued marketing opportunity. In organizations around the world, many employees are working from home and remain productive, thanks to networking technology. Venue and Campus Networks adjusted EBITDA of $37.7 million grew nearly 87%. Our kind of cadence of the year is more back-half weighted, which was driven by a couple of things.Thank you. Prior to this pandemic, we were already seeing global growth on a global level as networking technologies have moved from convenient to essential, for both business and personal use.
Due to this ongoing market uncertainty created by the COVID-19 pandemic, we are not providing specific guidance for the second quarter of 2020 and we are withdrawing our full year outlook. We're well positioned with T-Mobile. Yeah, that. Obviously, in the quarter, we completed a pretty large-scale migration to a shared services footprint within the finance organization. Thank youHi, thanks for taking my question.
Thank you very much gentlemen for taking the question. The Board and leadership, our team are confident that CommScope will successfully navigate through the current operating environment and emerge a stronger company.So no order cancellations to date that I know of.
We're going to see this environment change, I think, for the future after this passes. So one thing that I want to make sure is very clear to everyone on the phone is that the impact that we called out, the $70 million and the $30 million is almost 100% supply oriented. From a liquidity standpoint, we ended the quarter with nearly $400 million in cash and $735 million in undrawn ABL availability, totaling over $1.1 billion of total liquidity.
The Company’s responses to questions, as well as other matters discussed during the conference call, may contain or constitute information that has not been disclosed previously.Rectangular & Flexible-Twistable WaveguidesNon-GAAP adjusted EBITDA increased 10.9% to $231.2 million as compared to last year. So that's driving network capacity additions. Personal Finance Investing Basics Reconciliations of the combined company amounts and reported GAAP results to non-GAAP adjusted segment results are included below.This press release or any other oral or written statements made by us or on our behalf may include forward-looking statements that reflect our current views with respect to future events and financial performance.