![]() Choosing the right antenna can bring great help to the project. The antenna is one of the indispensable accessories of the wireless transceiver module. The use of internal antennas and external antennas is not absolute, and the actual application scenario should be the final choice. As shown:Įxternal antennas do not require much volume, so rod antennas, sucker antennas and Yagi antennas are generally used.įinally, which antenna to choose for the wireless transceiver module should be selected according to your actual project situation. The internal antenna is mainly compact, so the general internal antennas are spring antennas, FPC antennas, etc. So what are the i nternal antennas and external antennas? Compared with the internal antenna, the signal gain of the external antenna will be better, because the external antenna The antenna can be placed high in the sky. As shown:Įxternal antenna: The external antenna is generally connected to the wireless transceiver module through a metal probe or signal extension cable. It is more suitable for use in closed places or scenarios where external antennas cannot be connected. The appearance of such devices is generally small and exquisite, but it will affect the signal reception somewhat (generally, it will not affect the use of the device). ![]() Internal antenna: The internal antenna is usually welded directly with the wireless transceiver module, and then embedded in the device with the wireless transceiver module. How to distinguish between internal antenna and external antenna? All antennas are divided into two categories: internal antennas and external antennas, followed by spring antennas, FPC antennas, rod antennas, and sucker antennas. The antenna is very important to the wireless transceiver module, and its gain effect can effectively improve the communication distance and quality of the wireless transceiver module, so choosing the antenna is also a very important thing.
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