Best ETC Onboard Units 2026
Japan Expressway Toll Device Guide
The essential device for non-stop tolling on Japanese expressways. Compare types and popular models below.
This guide is for anyone shopping for an ETC (Electronic Toll Collection) device for driving in Japan — including overseas buyers importing or shipping vehicles. It compares device types and popular models. Some product links are affiliate links.
Three Types of ETC Devices
① Antenna-integrated (2-piece) type
The unit and antenna are combined into a single piece. These are typically mounted on the windshield within easy reach, making card insertion and removal simple. They’re generally more affordable than other types, making them a good choice for budget-conscious drivers who don’t mind handling the card directly.
② Antenna-separate (3-piece) type
The main unit and antenna are installed separately. The antenna goes somewhere with good reception (like the upper windshield), while the main unit can be tucked away in the glovebox or footwell — keeping the cabin tidy and adding a layer of theft deterrence. This flexibility comes at a slightly higher price than the integrated type.
③ Built-in type
The ETC unit is factory-integrated into the vehicle, usually as a dealer-installed option on new cars. Since nothing is visible from outside, it offers the best security and space efficiency, but retrofitting is only available on limited vehicle models.
What to Know Before Buying
Setup fee required separately
An ETC device cannot be used right out of the box — it requires “setup,” a legally mandated procedure that registers your vehicle information and can only be performed at a certified installer. This typically costs an additional ¥2,500–¥3,500. Some listings include setup in the price, others don’t, so check carefully before buying.
New security standard compliance
Due to a security standard transition, devices built to the old “spurious” standard are expected to stop working sometime around 2030. If you’re buying new, choosing a model compliant with the current security standard will keep you covered for the foreseeable future.
Popular Models Compared
Panasonic CY-ET926D (Antenna-Separate)
ASTEMO HF-EV715 (Antenna-Separate)
Denso DIU-A210 (ETC2.0, Antenna-Separate)
Panasonic CY-ET2620GD (ETC2.0, Antenna-Integrated)
Comparison Table
| Model | Type | ETC2.0 | Approx. Price | Best For |
|---|---|---|---|---|
| Panasonic CY-ET926D | Antenna-Separate | No | ¥7,500 | Security & tidy install |
| ASTEMO HF-EV715 | Antenna-Separate | No | ¥7,590 | Budget-conscious buyers |
| Denso DIU-A210 | Antenna-Separate | Yes | ¥17,800 | Frequent expressway drivers |
| Panasonic CY-ET2620GD | Antenna-Integrated | Yes | ¥20,200 | Easy installation |
FAQ
Q. Is ETC2.0 necessary?
Not necessarily. If you drive expressways often and want to take advantage of congestion avoidance support or route-specific discounts, ETC2.0 is worth it. Occasional users are usually fine with standard ETC.
Q. Can I do the setup myself?
No — setup is a legally regulated procedure that can only be performed at a certified installer. Check whether the listing includes setup or requires a separate appointment before you buy.
Q. How long will my current ETC device keep working?
Due to the security standard transition, devices built to the old “spurious” standard are expected to stop working around 2030. Check your device’s model number with the manufacturer, or verify your device management number, to see if it’s affected.
Choose based on how often you drive
Frequent expressway users benefit most from ETC2.0; occasional drivers can save money with a standard model. Also factor in how much installation flexibility you need.
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