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SMA connectors

SMA connectors are coaxial connectors that are used for the installation of WiFi, GPS or GSM antennas, but also for other communication devices that use coaxial cables. Like BNC connectors, SMA connectors are used to connect coaxial cables, which transmit high frequency signals up to aprox. 18 GHz. Although the SMA connector was designed as early as 1960, it is still widely used around the world. If we have an antenna at home, e.g. for satellite TV, we probably also have coaxial cables and SMA connectors.

SMA connectors are deliberately designed to allow a stable connection with coaxial cabling while maintaining the maximum quality of the transmitted signal (minimizing signal losses). It is not an easy task because the structure of the coaxial cable is specific. The signal inside the cable is not susceptible to the influence of electric and magnetic fields from the outside, and the presence of the cable among other electrical devices does not interfere with its operation with its electric or magnetic field.

In this category you will find the highest quality SMA connectors for coaxial cables, male (plug) and female (socket) connectors, SMA adapters and PCB sockets.

Products: 6
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SMA connector 50Ω male

SMA male connector with 50 Ω impedance crimped on the wire. Used to connect antennas and receivers.
Index: KAB-06315
Index: KAB-06315
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Regular price €1.05 Price €1.05

SMA connector 50Ω female

SMA female connector with 50 Ω impedance mounted in housing. Used to connect antennas and receivers.
Index: KAB-06316
Index: KAB-06316
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Regular price €1.16 Price €1.16

SMA connector 50Ω female

Simple SMA female connector with an impedance of 50 Ω mounted on a PCB. Used to connect antennas and receivers.
Index: KAB-06318
Index: KAB-06318
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Regular price €1.05 Price €1.05

SMA connector 50Ω female

The SMA female reverse angled connector with an impedance of 50 Ω, it is installed in the PCB. It is used to connect antennas and receivers.
Index: KAB-06321
Index: KAB-06321
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Regular price €1.28 Price €1.28

SMA connector 50Ω female

SMA angled female connector with an impedance of 50 Ω mounted on the PCB. Used to connect antennas and receivers.
Index: KAB-06317
Index: KAB-06317
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Waiting time: about 10-30 days
Regular price €1.30 Price €1.30

Adapter SMA - male

Adapter to connect the cable with the SMA female end with the SMA female slot.
Index: KAB-08083
Index: KAB-08083
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Czas oczekiwania: ok. 10-30 dni
Regular price €1.33 Price €1.33

SMA connectors – special construction plugs and sockets for coaxial cables

Communication devices and antennas are common today, so ensuring the quality of cables and connectors to them is very important. Today, coaxial cables are used primarily to transmit weak signals that have very high frequencies.

The construction of the coaxial cable differs from that of other similar cables. Inside such a conductor is placed a steel, aluminum or copper core conductor or a twisted copper or steel cable. The next layer is a dielectric that acts as an internal insulation. The dielectric influences such parameters as the wave impedance of the entire cable. The next layer is made of plastic (formerly also lead or metal, but they are dangerous). The task of this layer is also a conductor and protects against electromagnetic interference from the environment. The last outer layer consists of flexible insulation.

Importantly, the electromagnetic field, thanks to which the signal travels from one end to the other end of the cable, only arises in the space between the inner and outer conductors. It does not penetrate to the outside, so the coaxial cable can be safely placed near electronics, metal objects, without losing the signal quality.

SMA connectors – use and maintenance

The use of SMA connectors is very wide. As mentioned, these connectors are primarily used for coaxial cables. They are most often used in wireless networks, in cables transporting signals from various types of antennas. In home applications, they are used to transport the signal from a TV antenna, Wi-Fi antenna, to strengthen the signal or to a GPS antenna.

You can use the sockets for mounting in your device on a PLC board. This is an effective way to connect cables and repair a damaged connector. To properly use the cable with SMA connectors, you must always clean the plug thoroughly before connecting it. In order not to damage the end of the cable, it is a good idea to get compressed air and use it regularly to make sure that there is no dirt inside the connector. In this way, the operated ARCs should remain fully operational for approximately 500 connections.

SMA connectors – types and parameters

SMA connectors come in different variants. You will find SMA tips in the Botland store in both female and male versions. The products available in this category are of the highest quality due to the very restrictive production process and the best quality and production materials used. The dominant type of resistance - which results from the application and technical parameters of SMA cables - is 50 ohms.

As you know, SMA connectors play a key role in the process of transmitting signals. Highest quality connectors will improve the quality of a given signal significantly. Very low resistance (50 Ω) of such elements allows the signal to freely reach the receiver without distortions and interference. The SMA connector is one of the most popular connectors on the market. Get the connectors now that will provide you with the best signal quality provided by the Wi-Fi antenna, GSM antenna or other device. We invite you to place orders now!