--- product_id: 615504031 title: "ATSC Digital TV Converter Box Dongle with TV Tuner, TV Recording, USB Multimedia Clear QAM (HW135STB)" brand: "mediasonic" price: "¥11751" currency: JPY in_stock: true category: "Mediasonic" url: https://www.desertcart.jp/products/615504031-atsc-digital-tv-converter-box-dongle-with-tv-tuner-tv store_origin: JP region: Japan --- # Supports up to 4TB HDD Recording 1080P HDMI Output Dual USB Power Options (Type A & C) ATSC Digital TV Converter Box Dongle with TV Tuner, TV Recording, USB Multimedia Clear QAM (HW135STB) **Brand:** mediasonic **Price:** ¥11751 **Availability:** ✅ In Stock ## Summary > 📡 Upgrade your TV game with next-gen clarity and control! ## Quick Answers - **What is this?** ATSC Digital TV Converter Box Dongle with TV Tuner, TV Recording, USB Multimedia Clear QAM (HW135STB) by mediasonic - **How much does it cost?** ¥11751 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/615504031-atsc-digital-tv-converter-box-dongle-with-tv-tuner-tv) ## Best For - mediasonic enthusiasts ## Why This Product - Trusted mediasonic brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Flexible Power Solutions:** Power via TV USB port or any 5V USB charger with versatile USB-C and USB-A connectors. - • **Crystal-Clear 1080P Viewing:** Experience stunning HD quality with included HDMI cable for seamless connection. - • **Clear QAM Cable Compatibility:** Unlock unscrambled cable channels for expanded viewing without extra fees. - • **Multimedia Playback On-The-Go:** Play photos, music, and videos directly from your USB drives for ultimate entertainment. - • **Massive 4TB Recording Capacity:** Never miss a moment—record and pause live TV with support for large external drives. ## Overview The Mediasonic HomeWorx HW135STB is a 2025 upgraded ATSC digital TV converter box featuring 1080P HDMI output, Clear QAM support for unscrambled cable channels, and the ability to record live TV on external hard drives up to 4TB. Powered flexibly via USB Type A or Type C, it includes a large remote, display panel, and multimedia playback capabilities, making it a versatile solution for analog and digital TVs, projectors, and monitors. ## Description Buy Mediasonic ATSC Digital TV Converter Box Dongle with TV Tuner, TV Recording, USB Multimedia Clear QAM (HW135STB): Analog-to-Digital (DTV) Converters - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## Features - New 2025 Version from Mediasonic Store. The new improvements included LARGE Remote Control, 3 ft HDMI Cable, Display Panel, Clear QAM, Support hard drive up to 4TB*, reception sensitivity, and 12 hr. AM / PM feature. - Clear QAM function can be used with cable provider to watch unscrambled cable channels. - Support 1080P Video Output via HDMI (HDMI Cable Included), and Dolby Digital Audio. IR Receiver with Display Panel to show Channel number and Sub-Channel - Powered by TV’s USB port (USB Type A) or 5V USB Charger. USB-C (Type C) power connector on the main unit provides fallibility for user to change longer USB cable and adapt different type of 5V USB Charger - Receive Over-The-Air ATSC Digital Broadcast to your Analog and Digital TV, Projector, and Computer Monitor. - Record and Pause Live TV: You won’t miss your favorite show. (Requires USB 2.0 or USB 3.0 external hard drive or SSD up to 4TB connect to this unit; USB flash drive is not recommended) (Recording may require connecting to 5V / 2A charger to provide sufficient power to power USB external hard drive. - Multimedia player function: Play back your favorite photo, music, and video from your USB Flash Drive or USB external hard drive. - Please Note: AAA Battery for Remote Control are NOT Included. 5V Charger / Power Adapter is NOT Included. User can use TV's USB Port or their own 5V Power Adapter to power the device. - This unit does NOT work as TV Tuner or Recorder by connecting to a Computer directly ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CX4J5B2H | | AntennaDescription | Television | | Best Sellers Rank | #14,976 in Electronics ( See Top 100 in Electronics ) #6 in Analog-to-Digital (DTV) Converters | | Brand | Mediasonic | | Built-In Media | ATSC TV Dongle, HDMI Cable 3.3 ft | AV Cable 3.3 ft. | User Manual, IR Receiver with Display, Remote Control | 3M two sides stickers, USB-C to USB-A Power Cable 3.3 ft | | Color | Black | | Compatible Devices | Television | | Connectivity Technology | HDMI, USB | | Connector Type | USB Type A, USB Type C | | Customer Reviews | 3.8 3.8 out of 5 stars (352) | | Item Dimensions L x W x H | 4.65"L x 1.38"W x 0.67"H | | Item Weight | 1.7 ounces | | Manufacturer | Mediasonic | | Mfr Part Number | HW135STB | | Model Number | HW135STB | | Number of Items | 1 | | Tuner Type | ATSC | | UPC | 850040109030 | | Warranty Description | 1 Year Warranty from Mediasonic Store | ## Product Details - **Brand:** Mediasonic - **Color:** Black - **Compatible Devices:** Television - **Connectivity Technology:** HDMI, USB - **Connector Type:** USB Type A, USB Type C ## Images ![ATSC Digital TV Converter Box Dongle with TV Tuner, TV Recording, USB Multimedia Clear QAM (HW135STB) - Image 1](https://m.media-amazon.com/images/I/71a7I3ETRkL.jpg) ## Questions & Answers **Q: What is the Latest Firmware Version?** A: Hardware 1: Firmware V1.5 Hardware 2: Firmware V2.5 Contact Mediasonic Support email if you need to update firmware. Please use Search Engine or AI to search as Amazon does not allow seller to post email here. **Q: Where can I download User Manual and Quick Installation Guide?** A: You can download from Mediasonic Store official website. (Please search online. Cannot display here due to Amazon Restriction) **Q: What is Clear QAM? Access to Cable signal** A: Un-Encrypted TV Signal from a Cable company. HW135STB can access unencrypted tv signal and display to TV. In the Menu, you will need to switch from Air to Cable **Q: Can I watch one channel and record another channel at the same time?** A: This Box can ONLY do one task at a time **Q: Will this add a tuner to my VIZIO or tuner-free TV or computer monitor or projector?** A: Yes. This box acts as an add-on TV tuner for TVs without a built-in tuner, including VIZIO models. It outputs via HDMI 1080P, or composit. ## Frequently Bought Together - Digital TV Converter Box Dongle, ATSC Digital Converter Box with TV Tuner, TV Recording, USB Multimedia Function, 1080P HDMI Output, Clear QAM by Mediasonic HomeWorx (HW135STB) - HIDB TV Antenna for Smart TV Indoor, Strong Magnetic Base Indoor TV Antenna for Easy Installation, Long Range Reception HD Antennas for TV Indoor 4k 1080P Channels-10ft Long Cables (Black) - Philips LTE Filter for TV Antenna, Filters 4G 5G LTE Signal to Reduce Interference and Pixilation for Clear Digital HD TV Reception, Frequency Range 5-608 MHz, Indoor Outdoor Installation, SDW1520/27 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/615504031-atsc-digital-tv-converter-box-dongle-with-tv-tuner-tv](https://www.desertcart.jp/products/615504031-atsc-digital-tv-converter-box-dongle-with-tv-tuner-tv) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-10-25*