
ATSC Digital Converter Box with TV Tuner, TV Recording 1080P HDMI Output, Clear QAM
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Compared across 3 stores. Prices are checked against each store and labelled with when.

Compared across 3 stores. Prices are checked against each store and labelled with when.
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The Mediasonic HW135STB is a compact ATSC digital converter box that adds over-the-air tuning and recording to TVs, monitors, or projectors lacking a built-in tuner. It outputs up to 1080P over HDMI and supports scheduled recording and live TV pause to a USB hard drive. Its small size and USB-C power make it easy to tuck behind a TV, but it requires an external antenna and is not a cable box replacement. Reviewers praise its value and recording features, though some find the interface clunky and the remote less responsive.
In stockSold by MediasonicReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
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Lowest price we've seen: $35.99 on Nov 11 at Amazon. Tracked across 2 stores since Nov 11.
Owners appreciate the Mediasonic HW135STB for its affordability and ability to record OTA shows, but many complain about a clunky interface and occasional signal dropouts. The remote and setup process draw mixed feedback.
The Mediasonic HW135STB is an ATSC digital converter box with a TV tuner. It converts over-the-air ATSC digital broadcasts for analog and digital TVs and outputs 1080P video over HDMI. It can also add a tuner to a TV that doesn't have one built in. It works with projectors and computer monitors as well.
The box records live TV in real time or on a schedule, and it can pause live TV. Recording requires an external USB 2.0 or 3.0 hard drive. Other features include an electronic program guide, a favorite channel list, parental controls, closed captions, Emergency Alert System notices and timed startup and shutdown. It also has a USB multimedia player and an antenna pass-through for digital ATSC signals. A remote control and an IR receiver with a display are included.
It receives over-the-air signals only and needs an external antenna. It is not a cable box replacement. It does not work with TiVo, encrypted cable signals, or cable and satellite providers such as Comcast, DirecTV, DISH Network and Time Warner Cable. Power comes through a USB-C port from the TV's USB port or a 5V USB charger.