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What are the differences between on-board CB Antenna and non-on-board CB Antenna? How to choose?

In terms of structural design, on-board CB antennas usually need to consider the appearance and driving conditions of the vehicle, and are designed to be compact and have good wind resistance. For example, common on-board CB antennas mostly use magnetic bases, which are easy to adsorb on the roof, and the antenna pole has a certain flexibility, which can withstand wind resistance and is not easy to break during vehicle driving. Non-on-board CB antennas pay more attention to stability and signal reception effects, and may use more sturdy brackets and larger antenna structures to meet the needs of fixed position use.
In terms of performance, on-board CB antennas need to maintain stable signal reception and transmission when the vehicle is moving. It must be able to adapt to different road conditions and environmental changes, such as urban streets with tall buildings and remote areas with weak signals. Therefore, on-board CB antennas are usually optimized in terms of sensitivity and anti-interference ability. Non-on-board CB antennas can better debug and optimize signals due to their relatively fixed positions. They generally perform better in signal gain and directivity, and can more accurately receive and transmit signals in specific directions.
When choosing, if you mainly use the CB radio in a vehicle, then the vehicle-mounted CB antenna is the first choice. Choose a suitable vehicle-mounted CB antenna according to the type of vehicle and the use environment. For example, for a small car, you can choose an antenna with a smaller size and simple appearance, which can meet the signal requirements without affecting the appearance and driving performance of the vehicle; for vehicles that often drive in mountainous areas or areas with poor signals, you need to choose a vehicle-mounted CB antenna with high sensitivity and high gain.
If you use the CB radio in a fixed location, such as in an office, home or fixed workplace, a non-vehicle-mounted CB antenna is more suitable. You can choose the type and installation method of the non-vehicle-mounted CB antenna according to the use requirements and the surrounding environment. If you need to cover a larger range, you can choose a high-gain, highly directional antenna and install it at a higher position to obtain better signal transmission effects.