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Human Exposure Protection Test Data
The MG Suit was subjected to radiated emission testing to evaluate its human exposure protection performance using the following procedure. The electromagnetic wave shielding material "MG Net" used in the MG Suit is double-layered (shielding performance 32-40dB), which reduces the electric field strength almost uniformly inside the human body. *If the shielding performance is too high (60dB or more), the effects of reflection and resonance become greater, amplifying the electromagnetic waves inside the human body and causing hot spots.
- １ The position of the bilog antenna that irradiates electromagnetic waves was set 1 m away from the human body phantom, and horizontal and vertical polarized waves were irradiated.
- ２ Receiving probes were placed on the head and chest of a human-body phantom, and the electric field strength was measured in the frequency range of 500 kHz to 6 GHz.
- ３ Receiving probes were placed on the head and chest of a human-shaped phantom, and the electric field strength was measured in the frequency range of 500 kHz to 6 GHz while the phantom was wearing an "MG suit."
- ４ Measurements were taken in four directions: front, left, right, and back.
MG Suit Radiated Emissions Test
| Date and Time | July 7, 2022 10:00～17:00 |
|---|---|
| place | Osaka Prefectural Technology Research Institute: Radio Wave Anechoic Chamber |
| the purpose | The electromagnetic field strength in the air and inside a body-shaped phantom when the product is attached to the phantom are measured and compared to evaluate the electromagnetic field shielding rate. |
MG Suit electromagnetic wave shielding performance: 500kHz to 1GHz
| frequency（MHz） | Probe Location | Spatial radio wave intensity(V/m) | Radio field strength when wearing protective clothing(V/m) | Coverage rate(%) |
| 0.5MHz | Chest | 36.41 | 2.22 | 93.90% |
| 1MHz | 36.62 | 2.24 | 93.88% | |
| 10MHz | 36.56 | 2.26 | 93.82% | |
| 20MHz | 36.48 | 2.25 | 93.83% | |
| 50MHz | 36.52 | 2.26 | 93.81% | |
| 100MHz | 36.50 | 2.27 | 93.79% | |
| 200MHz | 36.49 | 2.23 | 93.89% | |
| 300MHz | 36.57 | 2.20 | 94.00% | |
| 400MHz | 37.08 | 2.20 | 94.06% | |
| 500MHz | 37.03 | 2.20 | 94.05% | |
| 600MHz | 37.10 | 2.20 | 94.08% | |
| 700MHz | 37.39 | 2.17 | 94.18% | |
| 800MHz | 37.22 | 2.13 | 94.29% | |
| 900MHz | 37.44 | 2.07 | 94.47% | |
| 1000MHz | 37.65 | 2.03 | 94.60% | |
| 0.5MHz | head | 29.76 | 1.07 | 96.40% |
| 1MHz | 29.78 | 1.06 | 96.44% | |
| 10MHz | 29.68 | 1.07 | 96.39% | |
| 20MHz | 29.75 | 1.06 | 96.44% | |
| 50MHz | 29.70 | 1.07 | 96.40% | |
| 100MHz | 29.68 | 1.08 | 96.37% | |
| 200MHz | 29.76 | 1.07 | 96.39% | |
| 300MHz | 29.77 | 1.07 | 96.42% | |
| 400MHz | 29.95 | 1.06 | 96.47% | |
| 500MHz | 30.16 | 1.03 | 96.57% | |
| 600MHz | 30.43 | 1.02 | 96.66% | |
| 700MHz | 30.37 | 1.00 | 96.70% | |
| 800MHz | 30.47 | 0.97 | 96.81% | |
| 900MHz | 30.67 | 0.95 | 96.89% | |
| 1000MHz | 31.06 | 0.94 | 96.99% |
MG Suit Electromagnetic Shielding Performance 1GHz～6GHz
| frequency（MHz） | Probe Location | Spatial radio wave intensity(V/m) | Radio field strength when wearing protective clothing(V/m) | Coverage rate(%) |
| 1GHz | Chest | 23.81 | 3.58 | 84.97% |
| 2GHz | 23.80 | 3.54 | 85.14% | |
| 3GHz | 23.59 | 3.51 | 85.13% | |
| 4GHz | 23.54 | 3.45 | 85.33% | |
| 5GHz | 23.24 | 3.38 | 85.47% | |
| 6GHz | 23.16 | 3.32 | 85.64% | |
| 1GHz | head | 22.81 | 2.29 | 89.95% |
| 2GHz | 23.04 | 2.29 | 90.04% | |
| 3GHz | 22.85 | 2.28 | 90.00% | |
| 4GHz | 22.81 | 2.28 | 90.02% | |
| 5GHz | 22.71 | 2.27 | 90.02% | |
| 6GHz | 22.53 | 2.23 | 90.09% |