吸盘天线属于高增益天线，主要的作用是辐射和接收无线电波。吸盘天线是把天线通过底部的吸盘将其固定在某一个地方，避免出现意外情况，由于它的吸盘底座比较稳固，所以被应用于车辆上面。在无线模块行业，吸盘天线常常和无线模块配合使用，以此达到增加无线模块的通信距离的目的。
Suction cup antennas are high-gain antennas, and their main role is to radiate and receive radio waves. The suction cup antenna is to fix the antenna in a certain place through the suction cup at the bottom to avoid accidents, because its suction cup base is relatively stable, so it is applied to the vehicle. In the wireless module industry, suction cup antennas are often used in conjunction with wireless modules to increase the communication distance of wireless modules.
天线是一种变换器，通过插入电感线圈以增大有效高度的方法，发射时把高频电流转换为电磁波;接收时，把电磁波转换为高频电流，再由无线电设备进行接收，然后转换为视频或者音频。
The antenna is a converter that converts high-frequency current into electromagnetic waves when transmitting by inserting an inductive coil to increase the effective height; When receiving, electromagnetic waves are converted into high-frequency current, which is then received by radio equipment, and then converted into video or audio.
吸盘天线强调了金属体内交变电流最有效的转变空间的电磁波或将空间的电磁波最有效的转变成金属体中的交变电流信号 跳线线缆直径为 -5 线缆，提高天线自身传输性能天线阵子内增加线圈，增加天线极化强度，根据 400MHz 频率波长、取点等特点确定振子长度，并采用最短点加工天线阵子，有效控制振子长度。
The suction cup antenna emphasizes that the alternating current in the metal body is the most effective way to transform the electromagnetic wave in the space or the electromagnetic wave in the space is the most effective to convert the electromagnetic wave in the metal body The jumper cable diameter is -5 cable, improve the transmission performance of the antenna itself, increase the coil in the antenna array, increase the polarization strength of the antenna, determine the length of the oscillator according to the characteristics of 400MHz frequency wavelength and taking point, and use the shortest point to process the antenna array to effectively control the length of the oscillator.
内有高磁性磁铁，吸附力更强，增加天线固定度，安装简便
There is a high magnetic magnet inside, which has stronger adsorption force, increases the fixity of the antenna, and is easy to install
天线阵子内增加线圈，增加天线极化强度
A coil is added to the antenna array to increase the polarization strength of the antenna
跳线线缆直径为 -5 线缆，提高天线自身传输性能
The jumper cable has a diameter of -5 cables to improve the transmission performance of the antenna itselfThe jumper cable has a diameter of -5 cables to improve the transmission performance of the antenna itself
根据 400MHz 频率波长、取点等特点确定振子长度，并采用最短点加工天线阵子，有效控制振子长度
The oscillator length is determined according to the characteristics of 400MHz frequency wavelength and taking point, and the antenna array is processed at the shortest point to effectively control the oscillator length
| 产品型号 | LQT-420Z | 灵敏度(dB) | -128 |
| 频率范围 | 400-440.450-490MHz | 天线总高度（cm） | 28 |
| 增益( dBi) | 3.5 | 连接线缆 | 纯铜50-5同轴 |
| 插入耗损(dB) | ≤1.5 | 接口类型 | N-K |
| 功率容量(w) | 50 | 温度范围 | -30~+60° |
| 输入端口电平驻波比 | ≤1.5 | 工作湿度 | 5%-95% |
| 输出端口电平驻波比 | ≤1.5 | 存储湿度 | -30~+60° |
| 安装方式 | 磁吸式 | 阻抗(Ω) | 50 |
| 固定方式 | 强磁吸附 | 极化方向 | 垂直极化 |
| Product model | LQT-420Z | Sensitivity (dB) | -128 |
| Frequency range | 400-440.450-490MHz | Total antenna height | 28 |
| Gain (dBi) | 3.5 | Connect the cables | Pure copper 50-5 coaxial |
| Insertion Wear (dB) | ≤1.5 | Interface type | N-K |
| Power Capacity(W) | 50 | Temperature range | -30~+60° |
| Input port level VSWR | ≤1.5 | Operating humidity | 5%-95% |
| Output port level VSWR | ≤1.5 | Store humidity | -30~+60° |
| Isolation | Magnetic | Impedance (Ω) | 50 |
| Fixation | Strong magnetic adsorption | Directionofpolarization | Vertical polarization |
