Improving reception sensitivity! Introducing examples of cases that cleared the communication carrier certification test.
We would like to introduce a case study of IoT development that our company conducted. In a communication carrier certification test for a commercial tablet, the receiving sensitivity could not meet the standards due to internal noise in the device. Therefore, we reviewed the circuit board wiring, strengthened the ground, and enhanced the shielding to suppress the noise, which improved the receiving sensitivity and allowed us to pass the test. Additionally, we have a case where EMV (Europay, Mastercard, and Visa) certification was obtained for a commercial tablet. [Case Overview] ■ Issues - It was necessary to obtain certification from the communication carrier, but the receiving sensitivity could not meet the standards due to internal noise in the device. ■ Results - By reviewing the board wiring, strengthening the ground, and enhancing the shielding, we were able to suppress the noise and improve the receiving sensitivity, successfully passing the test. *For more details, please refer to the PDF document or feel free to contact us.
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We will create new applications by integrating wireless sensor networks, centered around positioning measurement technology utilizing wireless technology.