Japan general-environment limit, 1.5–300 GHz
61.4 V/m, equivalently 1 mW/cm² (10 W/m²) — the value that applies to Japanese 1.8 GHz, 2.1 GHz, 3.7 GHz and 28 GHz sites and to Wi-Fi.
Regulatorygeneral public1.5–300 GHz
Last verified 12 August 2026.
- Limit value
- 61.4 V/mRegulatory value — legally enforceable — 電波法施行規則 appended table 2-3-2, table 1: E = 61.4 V/m, H = 0.163 A/m, 1 mW/cm² = 10 W/m². Matches the ICNIRP 1998/2020 public reference level for the same band.sources: japan-radio-law-table
- Quantity
- electric field strength
- Frequency band
- 1.5–300 GHz
- Population
- general public
- Set by
- Japan Radio Radiation Protection Guidelines (電波防護指針) (Radio Radiation Protection Guidelines 1990/1997; enforced through 電波法施行規則 art. 21-3 and appended table 2-3-2 (as amended 2017))
- Kind
- Regulatory — legally enforceable
- Averaging time
- 6 minutesA measurement must use the same averaging before it can be compared with this value.
Related records
- ICNIRP 2020 general public reference level, 2–300 GHz
10 W/m² incident power density averaged over 30 minutes and over the whole body — the reference level that 5G mid-band and Wi-Fi compliance is judged against outside the U.S.
Exposure limits
- Japan Radio Radiation Protection Guidelines (電波防護指針)
Japan's radio-wave protection values, made binding by the Radio Law Enforcement Regulations: 27.5 V/m from 30 to 300 MHz and 61.4 V/m above 1.5 GHz for the general environment, six-minute averaged.
Standards & frameworks
Sources
- japan-radio-law-table 電波法施行規則 第21条の3 および別表第2号の3の2 — 電波の強度の値 (Radio Law Enforcement Regulations, art. 21-3 and appended table 2-3-2: permitted radio-wave field strengths) — 総務省 電波利用ポータル (Ministry of Internal Affairs and Communications, Japan). regulation, link checked 2026-08-12.
Same record, other formats