5G test in Tokyo Narita (Japan): real 117 Mbps on NTT Docomo
Tokyo Narita: our June 22, 2026 field test using an eSIM connected to NTT Docomo on 5G measured 117.00 Mbps download, 17.00 Mbps upload. This proprietary result describes that place and moment; it does not represent all coverage in Japan. The published screenshot, time and protocol allow the measurement to be checked and cited with its context.
Photo: Photo: Fabrian Pradanaputra / Pexels
We measured the real mobile speed in Tokyo Narita, from Narita, on 22/06/2026. With our eSIM connected to NTT Docomo on 5G, the test shows 117.00 Mbps download, 17.00 Mbps upload. That is fibre-like speeds, measured in real travel conditions.
To put that in context: at 117 Mbps an offline map downloads in seconds, a video call runs without a stutter and HD video starts instantly. Most travellers use only a fraction of this bandwidth.
In Tokyo Narita, the connection easily handles GPS, video calls, social media, tethering and streaming.
Our field note: Measurement taken on location, verified before publishing.
This reading comes from real on-site tests, not estimates or theoretical maps. To plan your trip to Japan, compare plans and size your needs with our tools.
| Time | Download | Upload | Ping | Tech |
|---|---|---|---|---|
| 14:28 | 117.0 Mbps | 17.0 Mbps | - ms | 5G |
- Download
- 117.0 Mbps
- Upload
- 17.0 Mbps
- Idle ping
- 200 ms
- Jitter
- 10 ms
- Download loaded latency
- 924 ms
- Upload loaded latency
- 175 ms
- Reported local operator
- NTT Docomo
- Network detected by Speedtest
- Hutchison HK
- Speedtest server
- IPA CyberLab
- Technology
- 5G
- Test time
- 14:28
- Time shown in screenshot
- 12:25
- Detected format
- speedtest_app
Each reading is taken on location with our eSIM in real travel conditions. We log the connected network, time and exact place, then publish the observed speed unedited.