30 second review

Mohu's Arc Indoor Antenna is easy to install, compact and beautiful enough to blend in with a variety of décor. Its clip-on stand allows for wall mounting or tabletop use, though the latter arrangement is a bit awkward.

The Arc's construction could be stronger and its clip-on installation could be better. But despite its compact size and unamplified passive design, we found impressive signal extraction performance.

Design

  • Mohu Arc Indoor TV Antenna on Amazon for €34.99 (opens in a new tab)

The Arc is the only non-planar membrane model from Mohu, owned by Antennas Direct. Mohu lists the Arch as a 40-mile antenna. (There's also an amplified version, the Arc Pro, with an additional 20 miles of range, for €30 more.)

This antenna's slightly curved profile, 12-by-8-inch dimensions, and white finish on my review sample should allow it to blend unobtrusively into most rooms. It mounts via a clip-on plastic bracket that fits into cutouts on the rear surface, with the natural flex of the bracket holding it in place. It was a bit finicky and a better blocking system could be devised.

But despite those complaints, it worked well, offering a viable if somewhat wobbly tabletop setup, as well as a stable wall-mount option via two teardrop-shaped sliding mounting screw slots (screws not included). The Arc's connection cable is only 10 feet long, requiring installation fairly close to the TV.

(Image credit: Mohu)

Performance

Mohu's 40-mile rating seemed pretty accurate at my semi-rural hilltop test site, which has good elevation and nearly 360 degrees of unobstructed line-of-sight for transmitters' TV ranges ranging from approx. 15 to about 70 miles, scattered in all directions.

With the Arc located in a second story window facing south, the antenna was tuned to 11 main carriers, with approximately 44 subchannels in all. (For comparison, an attic rooftop antenna in the same location draws 15 carriers and nearly 70 total subchannels.) Mohu states that Arc is “multi-directional; no need to watch,” and in fact, at the test site, it tuned to stations in all cardinal directions, as most antennas do, depending on the strength of the broadcast signal.

However, the vast majority of antenna designs are directional to some degree; Proving the point, in a second, much less capable location, the Arc establishes a lower power signal when it "points" directly east, but not when it rotates 90 degrees, i.e. south. However, the Mohu Arc proved to be less sensitive to orientation and location than many antennas I have tested.

Note that the Arc isn't amplified, so if you need to extend its power to a more distant TV, a powered model like Mohu's Arc Pro is probably a better option. But for a simple installation in an urban or suburban location with reasonable terrain and elevation with desired signals in multiple directions, within a range of, say, 40 miles or even a bit more, Arc should be an effective option.

Should you buy Mohu's bow?

Mohu indoor antenna bow on white background

(Image credit: mohu)

Buy it if ...

You want a powerful indoor antenna in a suburban neighborhood
You live in a suburban, urban, or peri-urban area and want a compact, low-profile antenna that won't mount on a window.

You are looking for an antenna that is easy to install
The Arc can be installed on a table or other flat surface, and it also comes with hardware for wall mounting.

Don't buy it if ...

You must shoot signals over 50 miles away.
There are larger indoor antennas that will work a little better, and especially if you are surrounded by hills or tall buildings, an elevated outdoor unit will be a better option.

You need an indoor antenna completely out of sight
The Arc comes with a relatively short plug, just 10 feet long, so you'll need to mount it fairly close to your TV.

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