TechNewsDaily.com reports A New Leaf: Amplified HDTV Antenna Makes Cord Cutting Easier. The Mohu Leaf Plus product page has more information on the antenna.
According to the Mohu Website, the antenna offers between 10 and 15 dB of gain using a low-noise preamplifier mounted at the antenna with power fed through the coax from a USB power source. The USB power can come from a TV set or an AC adapter.
I've been using a conventional non-amplified Mohu Leaf antenna as my main travel antenna. Its thin 8.5 x 11-inch form factor fits perfectly in my laptop bag, taking up little space. I've found it to be an excellent performer in a wide variety of locations, even picking up out-of-market stations in some situations. It performs better than my previous favorite, a smaller Artec AN-2A amplified antenna that's USB port-powered. I've ordered a Leaf Plus and hope to have it in time to do some testing at the NAB Show in Las Vegas. It'll be interesting to see if the preamplifier improves performance on VHF channels without causing overload or interference problems.
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Doug Lung is one of America's foremost authorities on broadcast RF technology. As vice president of Broadcast Technology for NBCUniversal Local, H. Douglas Lung leads NBC and Telemundo-owned stations’ RF and transmission affairs, including microwave, radars, satellite uplinks, and FCC technical filings. Beginning his career in 1976 at KSCI in Los Angeles, Lung has nearly 50 years of experience in broadcast television engineering. Beginning in 1985, he led the engineering department for what was to become the Telemundo network and station group, assisting in the design, construction and installation of the company’s broadcast and cable facilities. Other projects include work on the launch of Hawaii’s first UHF TV station, the rollout and testing of the ATSC mobile-handheld standard, and software development related to the incentive auction TV spectrum repack.
A longtime columnist for TV Technology, Doug is also a regular contributor to IEEE Broadcast Technology. He is the recipient of the 2023 NAB Television Engineering Award. He also received a Tech Leadership Award from TV Tech publisher Future plc in 2021 and is a member of the IEEE Broadcast Technology Society and the Society of Broadcast Engineers.