In addition to making these measurements in the absence of any light sources, the PV cell should also be properly shielded and low-noise cables used in the test setup.

除了在没有任何光源的情况下进行这些测量之外，我们还应该对PV电池进行正确地屏蔽，并在测试配置中使用低噪声线缆。

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If the measured radiation level of a cell phone is high, consider using shielded accessories.

如果一个手机的辐射很高，应考虑使用屏蔽附件。

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In June, Congress held a hearing to discuss reforming ECPA. Witnesses included one Texas magistrate who revealed that 99.8% of cell phone tracking orders in his district remain shielded from public scrutiny.

FORBES: Court Throws The Book At Warrantless Cell Phone Tracking