What are the performance indicators of 3G antenna?

Electrical Specifications3G antenna type C H-2400-18D90 Frequency Range-MHz 2

What is a directional antenna?

Directional antenna (Directional antenna) is an antenna that transmits and receives electromagnetic waves in one or several specific directions, and emits and receives electromagnetic waves in other directions, which is zero or very small.

Is the performance of GPS antenna mainly affected by the following aspects?

1, ceramic sheet: the quality of ceramic powder and sintering process directly affect its performance. The ceramic chips used in the market are mainly 25×25, 18×18, 15×15, 12×12. The larger the area of the ceramic sheet is, the greater the dielectric constant is

Where is the 4G antenna mainly used?

In wireless communication, the 4G antenna is the interface to the external media. 4G antennas radiate and receive radio waves. At the time of transmission, the 4G antenna is able to convert high-frequency current into electromagnetic waves and convert the received electromagnetic waves into high-frequency current. 4G antenna