A leading notebook computer manufacturer yesterday questioned the results of a recent study showing that some notebook computers emit an excessively high level of electromagnetic waves during wireless Internet connection.
An official from Acer, who requested anonymity, said that the company's portable computers had passed the safety guidelines for use in a wireless environment.
The Acer official's remarks came in the wake of the Taiwan Environmental Protection Union's (
The tests found that the electromagnetic emissions generated by 14 of the products exceeded 2,000 microwatts per square meter during wireless Internet connection -- much higher than the safety level of 1 microwatt set by Austria for indoor spaces.
The 14 models were manufactured by different brands, including FIC (
The Acer official said that National Taiwan University staff had carried out similar tests on the campus after the release of the union's findings.
The tests showed that the electromagnetic emissions were below 1 microwatt, which is within the safety level, the official said.
Chang Sheng (
The company is the contractor for the Wifly project, whose wireless Internet service covers most of Taipei.
"Studies show that electromagnetic waves emitted by wireless notebooks are weaker than those of handsets," he said.
Chen Shu-hua (
However, their electromagnetic emissions were very low during a wired Internet connection, Chen said.
Saying that electromagnetic waves in indoor spaces tend to exceed the safe level if two or more computers are using wireless networking at the same time, Chen warned that indoor wireless connection should not be encouraged in places such as classrooms, libraries and crowded spaces.
The union urged relevant government agencies to require computer manufacturers to label the electromagnetic emission levels of their products in order to protect consumers.
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