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Type of radio antenna connector

  • Categories:News Center
  • Time of issue:2021-01-28 15:22
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(Summary description)Many people may first come into contact with such an antenna connector (or there may be another opposite connector, which will be mentioned later).

Type of radio antenna connector

(Summary description)Many people may first come into contact with such an antenna connector (or there may be another opposite connector, which will be mentioned later).

  • Categories:News Center
  • Author:
  • Origin:
  • Time of issue:2021-01-28 15:22
  • Views:

Amateur radio antenna connector type

SMA connector (SUBMINIATURE A version)
Many people may first come into contact with such an antenna connector (or there may be another opposite connector, which will be mentioned later).

SMA is a lightweight and universal connector, especially suitable for small applications such as handheld devices. It can effectively transmit 0-18 GHz

Signals within the range (far beyond the operating range of most players!) and use threaded connections, which is the safest type of connection

one. Like a large number of radio equipment, SMA is designed to meet military requirements, so even if the size is small, it is

Can provide a very powerful connection.

SMA was developed in the 1960s to create a simple connection method for RF coaxial cables. It was probably invented for 20

An extension of the 75Ω "F connector" in the early 1950s, this connector is most commonly used in television applications. In fact, the two must not be confused! F connector and

SMA connectors look very similar-but apart from their size, the biggest difference is their impedance. The standard impedance set by the amateur radio is

50Ω, while the F connector is 75Ω. If the 75Ω connector is matched with the 50Ω antenna, it will produce unsatisfactory results!

The most common use of SMA connectors is the handheld radio walkie-talkies in recent years. In order to make a radio walkie-talkie smaller than before,

SMA connector will be more practical than BNC connector, and the thread design will be less lossy than BNC design. The vast majority of aftermarket handhelds

All antennas use SMA, so it is very easy to buy walkie-talkie antenna accessories with this connector. SMA connectors will basically be the standard configuration in recent years.


SMA female female connector

SMA female connector
SMA female connector can be directly connected to SMA, which is its opposite connector.

To a large extent, the radio whose antenna is a female SMA is a product of Chinese-made radio. Although the system for handheld devices
manufacturers are still in the minority, but as sales surge China's walkie-talkie system has given way to SMA female antenna becomes very easy to obtain. All the main
to the radio antenna manufacturers will have the option of a SMA female.


UHF connector M head

UHF connector (M head)-(PL-259 and SO-239)
Under an antenna connector encountered in amateur radio is a journey UHF connector, but this joint is called in Taiwan M head, as the original
because I really do not know, in short, and the rest of the world is completely different, said law ! . These are installed in most vehicles and HF base stations
. The invention of this can be traced back to before the Second World War. It is called UHF connector because frequencies as low as 30 MHz
are considered UHF. Many times you will hear someone call it PL-259 (male) connector and SO-239 connector (female) .

UHF connectors have received a lot of scrutiny recently, partly because some independent tests have shown that UHF connectors have significant
signal loss at frequencies above 50 MHz . So if you want to achieve the desired effect in a VHF place, you can consider other connectors (of course, it must also match your car machine).


N head
Regarding the shortcomings of UHF connectors outside the UHF band, so we will discuss oriented N-type connectors. At Bell Labs  Paul Neill name
prefix naming, N head is probably today's most versatile type antenna connector, the most mechanically sound. It was developed
for military use in the 1940s, and now it can handle frequencies up to 11 GHz. By using a rubber gasket in the seat of the male housing, the N head is also

Due to the waterproof and better sound quality of the N head, it is most commonly used for base station setup or relay installation; however, more and more radio players will use the N head to replace
the UHF connector (M head) of their car or base station. . As far as I know, many European models have been directly equipped with N heads, and the
original FT-7900R or FT-8800R of Japan’s YAESU is also equipped with N heads. This means that many manufacturers recognize the excellent N head. performance. Briefly, N linker is one of the best antenna connector, to be more if
large extent reduce the loss, we can consider replacing N head.


BNC connector

Remember Paul Neill in the N head? He was the one who helped invent the BNC connector. BNC was created in the late 1940s when it was
used in relatively narrow radio applications, especially military use. Its Bayonet connection is its most powerful advantage-it only takes a quarter turn to
buckle. However, compared to its competitor SMA, it is larger and has a smaller sound. Perhaps because of this reason, its
popularity has been lower in the past few years . Handsets such as Icom V-80 and the original C150 were made with BNC connectors, but now most of them use

As for its ability to carry signals, it depends on your application. As long as it is used below 4 GHz, as is the case with most radios, there will be no major problems.


TNC connector

The TNC connector is almost the same as the BNC, except that it is threaded. It is very rare for radio applications, but its thread can achieve a more complete connection
. Because it has threads, it can carry a much higher frequency band than BNC, up to 11 GHz. In addition to 50 Ω, there are also 75 Ω, and most TNCs are 50 Ω. Strange
strange I have not seen amateur radio use TNC connectors, so if you are using it to share photos please give me!

The above is the relevant knowledge of the radio antenna connector. I hope this article can be helpful to you. If you have any comments, or any questions about the antenna connector, or purchase orwelding needs, you are very welcome to work Time to contact us. Thank you.


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