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  6. [Experience Review] I Tried Out an Explosion-Proof Smartphone

[Experience Review] I Tried Out an Explosion-Proof Smartphone

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last updated:Feb 02, 2026

STJグループ(株式会社サンテレコムジャパン、株式会社STJレンテック)
STJグループ(株式会社サンテレコムジャパン、株式会社STJレンテック)
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Introducing a column that summarizes the criteria for choosing explosion-proof smartphones, which can be difficult to understand from the catalog alone!

The other day, I had the opportunity to actually touch explosion-proof smartphones at an exhibition. What kind of image do you have when you hear "explosion-proof smartphone"? To be honest, I had the impression that it would be a "smartphone designed to prevent explosions," which I thought would likely be large, focused on protection, and lacking in usability and design. However, after seeing, touching, and comparing explosion-proof smartphone cases from multiple manufacturers, my impression changed significantly. In particular, I felt clear differences in design philosophy and usability between overseas and Japanese products, even though they were all explosion-proof smartphone cases. This time, instead of a specialized explanation about explosion-proof technology, I would like to share my honest impressions based on my experience at the exhibition. *For more detailed content of the column, you can view it through the related link. For more information, please feel free to download the PDF or contact us.*

    Mobile phones and smartphones
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[Experience Review] I Tried Out an Explosion-Proof Smartphone

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  • Related Link - https://msc.stjg.jp/stj-column/experience-review_e…
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*You can view the detailed content of the column through the related link. For more information, please download the PDF or feel free to contact us.*

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Introduction to the corporate mobile and corporate smartphone BPO service "MaruMoba"

Introduction to the corporate mobile and corporate smartphone BPO service "MaruMoba"

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Proposal materials for device management service MDM "OPTiM Biz" for corporate mobile phones and corporate smartphones.

Proposal materials for device management service MDM "OPTiM Biz" for corporate mobile phones and corporate smartphones.

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[Service] Corporate Mobile Phone and Smartphone Insurance 'STJ Damage Support (i) 1 Year'

[Service] Corporate Mobile Phone and Smartphone Insurance 'STJ Damage Support (i) 1 Year'

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Corporate Cloud Wi-Fi "STJ Rental Wi-Fi 100"

Corporate Cloud Wi-Fi "STJ Rental Wi-Fi 100"

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STJグループ(株式会社サンテレコムジャパン、株式会社STJレンテック)

STJグループ(株式会社サンテレコムジャパン、株式会社STJレンテック)

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The STJ Group (Santelecom Japan Co., Ltd. and STJ Rentec Co., Ltd.) specializes in the sales, rental, and maintenance of wireless equipment and related solution products. (e.g., commercial wireless devices, IP wireless devices, license-free specific low-power transceivers, solutions such as cameras and relay devices) ~List of Locations~ ■ Hokkaido Sales Office / Experience Center Sapporo ■ Tohoku Sales Office ■ Kanto Sales Office (Head Office) / Experience Center Tokyo ■ Kansai Branch / Experience Center Osaka ■ Kyushu Sales Office Additionally, the group company Santelecom Japan Co., Ltd. also engages in mobile corporate business. With a track record of implementation in major corporate BCP, we offer BPO services where Santelecom Japan serves as the customer contact point, providing support for bulk management of devices, as well as assistance for malfunctions and losses. We can also provide comprehensive support proposals, including consulting on corporate communication environments and suggestions for office products and business improvement tools.

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