Characteristic and Model Selection of the 4G External Antenna
Characteristic and Model Selection of the 4G External Antenna
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Characteristic and Model Selection of the 4G External Antenna

When we are choosing a suitable antenna for machinery and equipment, first of all, it is necessary to clearly use the built-in or external antenna according to the product structure.

1. The main features of 4g external antenna

It has high gain and is less affected by the environment. It can also be used as a standard product, saving development progress and occupying indoor space, and the product is beautiful and generous.

2. Model selection of the 4g external antenna

It is necessary to clarify the covering direction of the data signal of the machine equipment. The covering direction of the data signal is determined by the radiation source pattern of the antenna. According to the direction of the antenna radiation source, the antenna is divided into an omnidirectional antenna and a directional antenna.

Suction cup antenna: the transmission gain is relatively high. The biggest feature is that it contains a strong magnetic suction cup. It is very convenient to install and fix it, but the suction cup must be adsorbed on the metal surface.

In the field of wireless modules, suction cup antennas are often used in conjunction with wireless antenna modules to achieve the purpose of improving the communication distance of wireless modules, such as wireless smart meter reading, vending machines, express boxes, car radios, etc.

Copper rod suction cup antenna: it is similar to the general whip suction cup antenna, but its advantages over the whip suction cup antenna depend on the selection of an all-copper radiator with a large diameter, which has advantages of low loss, high antenna efficiency and wide network bandwidth coverage.

It is suitable for digital radio stations with relatively high performance requirements, and map transmission with medium horizontal spacing.

Rubber stick antenna: it is the most common external wireless antenna with moderate transmission gain and relatively cheap price. It is commonly used in wireless communication control modules, wireless routers, digital radios, etc.

The wireless antenna of suitable size can be selected according to the requirements of the indoor space. The selection of the antenna size is related to the transmission gain. Under normal circumstances, the longer the length of the same frequency band, the higher the transmission gain.

FRP anti-corrosion antenna: among the omnidirectional wireless antennas, the performance of FRP anti-corrosion antenna is mainly better. The core is an all-copper vibrator, and a balanced explosion-proof switch is used, which is less harmful to the environment.

The casing is made of high-quality FRP, which is anti-corrosion and has very good three-proof characteristics and can be well integrated into the extreme geographical environment. Especially it is suitable for the ultra-long-distance gateway IP data signal covering, image transmission, etc.

External directional wireless antennas are generally used in natural environments with long-distance communication, small data signal coverage, and high overall target density. An extreme case is point-to-point long-distance communication.

Tablet PC antenna: it boasts high efficiency, small volume, and easy installation, which is excellent in terms of transmission gain and radiation source area. It can be used to cover the network signal in the room and in the tunnel construction, and for the data signal transmission with medium horizontal spacing, the image transmission and the data signal through the wall, etc.

Yagi antenna: the transmission gain is very high. The volume is slightly large.The specificity is strong. And the orientation of the wireless antenna must be paid attention to when applying. It can be used for ultra-long-distance data signal transmission, image transmission and direction finding.

Multiple periodic antenna: it is an ultra wide-band antenna, the network bandwidth coverage is very wide, and the network bandwidth can reach 10:1. It is commonly used when the data signal becomes larger, and the room and the elevator car are covered by the data signal.

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