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Table 4 Basic restrictions for human exposure to time-varying electric fields [23]

From: Electrical exposure analysis of galvanic-coupled intra-body communication based on the empirical arm models

Exposure characteristics Frequency range Internal electric field (V/m)
Occupational exposure
 The central nervous system tissue of the head 1–10 Hz 0.5/f
10–25 Hz 0.05
25–400 Hz 2 × 10−3 f
400 Hz–3 kHz 0.8
3 kHz–10 MHz 2.7 × 10−4 f
 All tissues of head and body 1 Hz–3 kHz 0.8
3 kHz–10 MHz 2.7 × 10−4 f
General public exposure
 The central nervous system tissue of the head < 1 Hz 0.1/f
1–4 Hz 0.01
4 Hz–1 kHz 4 × 10−5 f
1–100 kHz 0.4
100 kHz–10 MHz 1.35 × 10−4 f
 All tissues of head and body 1 Hz–3 kHz 0.4
3 kHz–10 MHz 1.35 × 10−4 f