Internal cellular antenna refers to an antenna component integrated into electronic devices for connecting to cellular networks (such as 2G, 3G, 4G, and 5G networks), enabling devices to connect to mobile networks without the need for external antennas.

Application devices: Widely used in smartphones, tablets, laptops, smart watches, and some IoT devices, such as drones and industrial routers.

Technical advantages: Compared with external antennas, built-in cellular antennas make devices look simpler and more attractive, and are less susceptible to damage from external forces. At the same time, with technological developments, built-in antennas can achieve good signal reception and transmission performance in a limited space through reasonable design and layout. They can also be better integrated with other components, improving the compactness and reliability of the device as a whole.

Design and layout: To reduce signal interference and improve performance, the design of built-in cellular antennas must take into account factors such as the internal space structure of the device and the electromagnetic impact of other electronic components.

Antenna types: Common built-in cellular antennas include PCB and FPC antennas.