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Coaxial connectors (also known as RF connectors), are electrical connectors used to connect coaxial cables to electronic devices and can carry high-frequency signals over long distances. They are widely used in industries such as telecommunications, broadcasting, and consumer electronics. Understanding their functions, types, and applications can help businesses choose the right connectors for their needs.

## **What Do Coaxial Connectors Do?**

Coaxial connectors provide a convenient method of connecting RF equipment together ensuring reliable and efficient signal transmission in a range of electronic devices and systems. They ensure that the signal integrity is maintained, preventing signal loss and interference. You can also check out our [coaxial cable connector guide](https://my.rs-online.com/web/c/connectors/rf-coaxial-connectors-adapters/coaxial-connectors/) to learn more.

## **Types of Coaxial Connectors**

There are various types of coaxial connectors available, each with unique features and suited for different applications. These connectors vary in size, whether big or small, and are designed to accommodate specific frequency ranges, impedance requirements, power handling capabilities, and environmental conditions (such as temperature and humidity). Here's an overview of some popular coaxial connector types:

**BNC (Bayonet Neill-Concelman) Connectors:** Widely used in radio frequency (RF) applications, video equipment, and test instruments. These coax cable connectors feature a quick connect/disconnect bayonet coupling mechanism, making them easy to install and remove. Available in both male and female versions, BNC connectors are best suited for frequencies below 4 GHz.

**TNC (Threaded Neill-Concelman) Connectors:** Similar to BNC connectors but feature a threaded coupling mechanism. TNC connectors offer better performance at microwave frequencies compared to and are commonly used in cellular phone and RF/antenna connections. They are weatherproof and can operate up to 12 GHz.

**N Connectors:** N-type connectors are robust and designed for higher power applications, such as radio transmission systems and cellular base stations. They offer excellent performance at frequencies up to 11 GHz and are weather-resistant, making them suitable for outdoor installations.

**F Connectors:** F-type connectors are widely used in cable television, satellite systems, and home networking. They are designed for frequencies up to 1 GHz and are known for their simplicity and low cost.

**SMA (SubMiniature version A) Connectors:** Designed for high-frequency applications up to 18 GHz. SMA connectors are commonly used in wireless networks, GPS systems, and microwave equipment, they feature a threaded coupling mechanism and are available in standard and reverse polarity versions.

**SMB (SubMiniature version B) Connectors:** Smaller than SMA connectors and feature a snap-on coupling design. They are commonly used in industrial electronics and telecommunications equipment, offering good performance from DC to 4 GHz.

## **Applications for Coaxial Connectors**

Coaxial connectors are used in several applications, including:

### **Laboratory**

In laboratories, coaxial connectors are essential for connecting test equipment, [oscilloscopes](https://my.rs-online.com/web/c/test-measurement/oscilloscopes-accessories/oscilloscopes/), and signal generators, ensuring accurate measurements and data integrity.

### **Test and Measurement**

Coaxial connectors are widely used in test and measurement applications, providing reliable connections for analysing signal properties and performance.

### **Telecommunications**

In telecommunications, coaxial connectors connect cables to equipment such as routers, switches, and modems, ensuring stable and high-speed data transmission.

### **Base Stations**

Coaxial connectors are critical in base stations for cellular networks, facilitating the connection between antennas and transmission equipment for efficient communication.

### **GPSLAN**

GPSLAN systems use coaxial connectors to connect GPS antennas to receivers, ensuring precise location tracking and data accuracy.

### **Antennas**

Coaxial connectors are used in various antenna applications, from broadcast and satellite communications to amateur radio, providing secure and low-loss connections.

### **Consumer Electronics**

In consumer electronics, coaxial connectors connect devices such as televisions, cable modems, and home theatre systems, delivering high-quality audio and video signals.

## **Frequently Asked Questions About Coaxial Cable Connectors**

### **How long do coaxial cables last?**

Coaxial cables can last long if properly installed and maintained. Their longevity is significantly influenced by environmental factors such as moisture, temperature fluctuations, and physical wear and tear. 

Regular inspections and maintenance, including checking for signs of wear or corrosion and ensuring secure connections, are essential for maximising the lifespan of coaxial cables. With careful handling and optimal conditions, coaxial cables can provide reliable performance for 20 years or more.

### **What is the greatest advantage of coaxial cable?**

The greatest advantage of coaxial cable is its ability to carry high-frequency signals with minimal loss and interference. This makes it ideal for a wide range of applications, including telecommunications, broadcasting, and cable television. The unique design of coaxial cables, with an inner conductor surrounded by a dielectric insulator and an outer conductive shield, helps protect the signal from external electromagnetic interference. This ensures a stable and clear signal over long distances. 

### **Can a coaxial cable be used for Ethernet?**

Yes, coaxial cables can be used as [Ethernet cables](https://my.rs-online.com/web/c/cables-wires/networking-coaxial-cables/ethernet-cable/). Particularly, Ethernet over Coax, or MoCA, uses the existing coaxial wiring to create a high-performance Ethernet network, extending Ethernet or wireless connectivity transmission. This allows the coaxial cable to serve as a robust backbone for connecting different devices or boosting even WiFi signals.

## **Delivery Information**

RS offers reliable shipping with next working day deliveries or scheduled deliveries within the next 12 months. If you place multiple orders throughout the day, we can consolidate them into a single shipment for convenience. However, please note that orders containing hazardous products or heavy items, may be shipped by sea and can take up to 40 business days for delivery.

For more details, please refer to our [delivery guidelines](https://my.rs-online.com/web/content/support/all-articles/delivery).



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