The ARRL Lab provides members with technical information services, trusted product-review testing, spectrum-protection engineering, professional industry contact and a comprehensive RFI/EMC program.

• Periodicals Archive and Search (an ARRL membership benefit): Looking for an article? Search QST, QEX, NCJ, On the Air, and Ham Radio magazines. Registered members may download QST, QEX, and NCJ articles from 1915 to December 2011. Ham Radio magazine was published from 1968 to 1990, and is owned by CQ Communications, Inc. ARRL does not have permission to provide downloads for the magazine but the archive does have an index of Ham Radio articles as well as an up to date index of all ARRL Periodicals.
• The digital edition of QST (an ARRL membership benefit) provides a text search to all QST content after 2012. In 2020 QEX, NCJ, and On the Air magazines went digital just like QST. The digital edition of QST has an archive starting in 2012 and the other magazines have archives starting in 2020 accessible by opening the latest edition of each magazine in PageSuite and clicking on the "Archive" from the Menu button in the top right bar. ARRL membership now includes online access to all four digital magazines.
• Product Review (an ARRL membership benefit): Check out ARRL test-result reports available for selected reviewed items. Latest Reviews | Reviews by Manufacturer
• Radio Technology Topics is a wealth of information on antennas, propagation, building equipment, safety, Amplitude Modulation, and digital data modes.
• Radio Frequency Interference is a huge resource for solving RFI problems.
• ARRL References provides support for the ARRL Handbook and Antenna Book.
• Forums: Talk to other ARRL members about various Amateur Radio topics. Join the conversation or start a topic of your own. An alternative to QRZ.com and eHam.net. QRZ has image hosting if you want to share pictures.