How to watch 4K broadcasting?
Start guide
For those considering J:COM TV
4K broadcast viewing information
- Watching is easy! Just connect J:COM 's 4K compatible tuner. *1
No antenna required. - Please leave the setting support to J:COM.
- A 4K (compatible) TV is required to enjoy 4K image quality *1.
- Even if you don't have a 4K (compatible) TV, you can enjoy 4K content because you can change to high-definition quality (2K) with J:COM 's tuner.
How to watch on J:COM (cable TV)

J:COM TV has antennas, boosters,
Without replacing equipment such as distributors
The feature is that you can watch BS4K and CATV4K broadcasts.

Available for viewing on J:COM
4K broadcast/content
You can watch broadcast programs in 4K image quality!
You can watch online videos in 4K quality!
- *We are currently considering the start date of "NHK BS8K" at J:COM.
Leave 4K broadcasting to J:COM!
- BS4K broadcasting
Available for viewing! - Enjoy in 4K
Full of content - settings and support
Omakase! - no antenna required
No hassle!
Enjoy 4K broadcasts at a great price
Introducing the TV course
If you are considering signing up or adding services
Sign Up information
Find the perfect
plan for you
Some properties offer free or discounted options!
If you are considering signing up or adding services
Sign Up information
New customers
电话咨询
050-1722-1733
9:00-18:00【全年无休】/有翻译
日本語での通話は
こちら
신청·문의
050-1722-1733
9:00-18:00【연중무휴】/통역 있음
日本語での通話は
こちら
Ứng dụng / Yêu cầu
050-1722-1733
9:00-18:00【mở cửa quanh năm】/có phiên dịch
日本語での通話は
こちら
Solicitação/Consultas
050-1722-1733
9:00-18:00【aberto todo o ano】/com intérprete
日本語での通話は
こちら
Find the perfect
plan for you
Some properties offer free or discounted options!
- To watch 4K broadcasts, you need to use a designated tuner and a 4K-compatible TV that supports the HDMI2.0/HDCP2.2 standard.
- Each plan includes J:COM TV, J:COM NET, J:COM GAS (including J:COM PHONE for Smart OTOKU Plan Mini and Smart OTOKU Select (TV+PHONE)) is subject to a long-term contract of 2 years (1 year for multi-dwelling units). In addition, Smart MOTTO OTOKU Plan is subject to a long-term contract of 3 years (2 years for apartment complexes).
[J:COM LINK]
- To use, you need to subscribe to a service specified by J:COM.
- Depending on your contract plan and usage environment, this service may not be available.
- Available for properties that support interactive services.
- External hard disks that can be connected are limited to those up to 6TB.
[About TELASA]
- This applies to works included in the TELASA unlimited viewing plan, excluding live broadcasts and some titles.
- Some delivery dates may vary.
- Bonus movie theater coupons and Ponta point redemption are not applicable.
- TELASA is a trademark or registered trademark of TELASA Corporation.
[About the amount including tax]
- Consumption tax differences may occur due to changes in the consumption tax rounding method under the invoice system.
- J:COM Top
- Our Service
- J:COM TV
- About 4K broadcasting
- How to watch 4K broadcasting? Start guide
- For those considering J:COM TV