What is the United States WiFi transmit power

time：2025-06-05 09:01:08 Smart Hardware

United States wifi transmit power

1. The WiFi transmit power of the wireless router is limited, the transmit power in China is limited to no more than 100mW, while the United States is relaxed to 200mW. Therefore, if you use the United States version of the router or change the use area of the router to the United States region, you can remove the WiFi power limit of the router and enhance the role of network coverage strength.

2. Since the WiFi coverage of a wireless router increases with the increase of WiFi transmit power, enhancing the WiFi transmit power of the router can improve the WiFi coverage.

3. However, in the rate test, there is a large gap between the test results realized by selecting the United States region and selecting the China region. In the downlink (router transmission) rate test, after selecting the United States region, the router WiFi performance seems to have improved to a certain extent, but in the uplink (router receiving) test, there is almost no gap between the two, because the data of the uplink test is transmitted by the network card, as long as the transmission power of the network card does not change, simply increasing the WiFi power of the router has no impact on the wireless data transmission ability of the network card, and naturally cannot improve the wireless transmission performance of the network card.

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