| 摘要 |
PROBLEM TO BE SOLVED: To enable to improve efficiently use of a space when installing in a car, and to use in a vibrational environment. SOLUTION: A case 11 of an communication adapter installed in a car is provided with a flange 15 as an installing material for installing in an attachable/detachable manner in a free posture, a mounting part 11a for mounting this flange 15, and hooks 16a and 16b are provided as temporary fixing materials. As a result, a space in a train where installation place is limited can be efficiently used, and the device can be used in a vibrational environment.
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