PCB Antenna
The antenna is a wire with a specific length. This line can also be drawn on the PCB board, which is the PCB antenna. PCB antennas are widely used in single-band module circuit boards such as Bluetooth modules, WiFi modules, and ZigBee modules.
Advantages: almost no cost, no need to debug again after one adjustment.
Disadvantages: Only suitable for single frequency band, such as Bluetooth and WiFi. There will be some deviations in the performance of PCB antennas of different batches.
FPC/steel antenna
The steel plate and FPC are equivalent to pulling out the antenna line on the PCB and using other external metal as the antenna. Usually used in low-end mobile phones and smart hardware products with complex frequency bands.
Advantages: Applicable to almost all small electronic products. Complicated antennas with more than 10 frequency bands such as 4G can be made, with good performance and low cost.
Disadvantages: Need to be debugged separately according to each product.
