ATSC Digital Converter Box with TV Tuner, TV Recording 1080P HDMI Output, Clear QAM
ATSC Digital Converter Box with TV Tuner, TV Recording 1080P HDMI Output, Clear QAM
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ATSC Digital Converter Box with TV Tuner, TV Recording 1080P HDMI Output, Clear QAM

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Key item features

  • Versatile Tuner: Functions as an ATSC digital TV converter, receiving over-the-air broadcasts and adding a tuner to TVs without one, like certain VIZIO models.
  • Scheduled Recording: Facilitates real-time and scheduled TV program recording, compatible with external USB 2.0 or 3.0 hard drives up to 2TB (MBR format).
  • USB Multimedia: Incorporates a USB multimedia player for playing photos, music, and videos directly from connected USB flash drives or external hard drives.
  • Vivid Output: Provides high-quality 1080P video output via HDMI connection, coupled with Dolby Digital audio support.
  • Smart Features: Offers an Electronic Program Guide (EPG), favorite channel list creation, parental control features, closed captions, and an Emergency Alert System (EAS).
  • Scheduled Power: Features convenient timing for scheduled start-up and shut-down operations.
  • Essential Components: Package includes an ATSC Digital TV Dongle, IR Receiver with Display, Remote Control, and 3.3 ft USB-C Power, HDMI, and AV cables, plus a User Manual.
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Specs

In/Out type, HDMIWeight, 1.7 ozHeight, 4.65 inAccessories, YesWorks with, TVInputs/Outputs, HDMI Output, USB, Antenna Input

About this item

Product details

Mediasonic HW135STB is a digital converter box which converts Over-The-Air ATSC digital broadcast to your analog and digital TV. The built-in recording function allows user to record their TV program and play back. Please Note: this converter box is designed to receive Over-The-Air signal, and it is not a replacement of cable box.

Features:
• TV Tuner Function: Add additional Tuner to your TV, some TV does not have built-in tuner, this can be an add-on to your TV. eg: compatible with VIZIO TV
• 12 hr. AM / PM time display
• TV Real Time and Schedule Recording (Require USB 2.0 or 3.0 external hard drive, limited to 2TB MBR format)
• USB multimedia player
• Antenna out pass through (digital / ATSC signal only)
• EPG (Electronic Program Guide) and program information
• Favorite Channel List
• Parental Control Function
• Closed Caption
• EAS (Emergency Alert System) to alert you any emergency information from TV station
• Timing Start up and Shut down

Package Content
• ATSC Digital TV Dongle x 1
• IR Receiver with Display. x 1
• USB-C to USB-A Power Cable 3.3 ft. x 1
• Remote Control x 1
• HDMI Cable 3.3 ft. x 1
• AV Cable 3.3 ft. x 1
• User Manual

Warranty and Technical Support Email
• 1 Year Warranty from Mediasonic Store
• Please contact Mediasonic Store for warranty and technical support issue before return the product to vendor

Important Note:
This converter box is designed to receive Over-The-Air signal, and it is not a replacement of cable box. External Antenna is required to connect to this converter box in order to receive signal. This product does NOT Work with TIVO and cable company such as Comcast, DirecTV, DISH Network, Time Warner Cable, etc. In general, this product does NOT work with encrypted cable signal

  • Enjoy over-the-air ATSC digital broadcast with this digital TV converter box dongle from Mediasonic HomeWorx.
  • The built-in TV tuner function allows you to add an additional tuner to your TV, making it compatible with TVs that don't have a built-in tuner, such as VIZIO TVs.
  • Record your favorite TV programs in real-time or schedule recordings using the 12-hour AM/PM time display, with support for USB 2.0 or 3.0 external hard drives up to 2TB in MBR format.
  • Utilize the USB multimedia player to enjoy your favorite photos, music, and videos from your USB flash drive or external hard drive.
  • Experience high-quality 1080P video output via the HDMI connection, along with Dolby Digital audio.
  • Easily navigate through the Electronic Program Guide (EPG) and program information, and create a favorite channel list for quick access.
  • Enjoy parental control features and closed captions, as well as the Emergency Alert System (EAS) to stay informed about any emergency information from TV stations.
  • Conveniently set the timing for the converter box to start up and shut down as needed.
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.  

Specifications

In/Out type

HDMI

Weight

1.7 oz

Height

4.65 in

Accessories

Yes

Warranty

Warranty information

1 Year Warranty from Mediasonic Store

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

Customer ratings & reviews

3.8 out of 5 stars
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92 ratings32 reviews
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Showing 1-3 of 32 reviews

Jul 24, 2025
Reviewer name: juliane
Sold byMediasonicDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Exactly what I needed!

I live in SATX and I can now get all of my local stations and more. The reception is perfect!

Helpful?176A0DXCCRKA5397283148
Oct 14, 2025
Reviewer name: anonymous
Sold byMediasonicDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Coaxial antenna to HDMI converter

I used this to connect my TV to a coaxial antenna through an HDMI and it's worked perfect!

Helpful?176A0DXCCRKA5397283148
Nov 1, 2025
Reviewer name: Michael
Sold byMediasonicDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

good remote control

the remote control makes the difference here. easy set up too

Helpful?176A0DXCCRKA5397283148
Current price is $35.99
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