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With the explosive growth of smart home devices and the cloud office becoming the norm, complex scenes such as the whole house smart device linkage and multi-person online conference make the signal strength and coverage of traditional routers increasingly stretched. In order to bid farewell to network congestion and signal dead angle, understanding the working mechanism of router antenna is the key.

The router uses electromagnetic waves to realize data "transmission over the air". It is like a wireless signal transmitting station, which encodes network data into radio waves and sends them to mobile phones, tablets and other devices, and at the same time receives the data returned by the devices. As the "transmitter" and "receiver" of signals, the performance of router antenna directly determines the quality of signal transmission. For example, the common Router Antenna, with its high flexibility and anti-interference, has become the preferred scheme to ensure signal stability.

Outdoor Antenna is widely used for its 360-degree signal radiation without dead angle. Even if it is hidden inside the router, it can achieve omni-directional signal coverage. It is worth noting that the "gain value" of the antenna expander is the core parameter that affects the signal strength: the higher the gain, the stronger the antenna's ability to transmit and receive signals, and the effective transmission distance and coverage will also increase. Early routers mostly used single 2.4G/5.8 G Antenna or dual antenna design, and the new antenna supporting 2.4GHz/5.8GHz dual band has become the mainstream. Dual-band antenna intelligently allocates frequency band resources, 2.4GHz band ensures signal penetration ability, and 5.8GHz band realizes high-speed transmission. ​ After mastering these principles, we can find an effective way to enhance the router antenna signal from the root cause.