When to Choose RG174 Coaxial Cable

 

Structure of RG174 Coaxial Cable:

· Inner Conductor: Typically made of copper-clad steel or copper welding wire, and sometimes bare copper wire is used. These materials provide good conductivity, ensuring effective transmission of electrical signals. The inner conductor is usually composed of 7 strands of twisted wire, each with a small diameter, commonly in the specification of 7×0.16mm. This braided structure enhances the cable's flexibility and strength.

· Insulation Layer: Made primarily from polyethylene (PE) or polytetrafluoroethylene (PTFE), which offer excellent insulation properties, low dielectric constant, and low loss. These materials effectively isolate the inner conductor from the outer conductor, preventing signal leakage and interference, while also providing support to maintain the coaxial alignment between the inner and outer conductors. The insulation thickness is typically around 1.5mm, but this may vary depending on the manufacturer and product specifications.

· Outer Conductor: Generally made of tinned copper braid, providing excellent conductivity and shielding performance. This outer layer effectively blocks external electromagnetic interference and confines the electromagnetic field generated by the inner conductor within the cable, reducing signal radiation. The braid's density and wire diameter affect the shielding effectiveness and flexibility, with common densities like 64 braids, and the wire diameter varies. The coverage of the braid is usually over 80% to ensure good shielding.

· Outer Jacket: Usually made from polyvinyl chloride (PVC), which offers good abrasion resistance, corrosion resistance, and weather resistance. This protective layer shields the cable's internal structure from environmental factors like mechanical damage, moisture, and chemical corrosion. The outer jacket's thickness is generally around 0.5mm, with an outer diameter of 2.79mm or 2.80mm, but specific values may vary depending on the manufacturer and product specifications.

 

RG174 coaxial cable datasheet:

 

 

When is RG174 Coaxial Cable Suitable?
From the Perspective of Frequency Application:

· Low-frequency to 1GHz Signal Transmission: The maximum operating frequency of RG174 can reach up to 1GHz. If the signal you need to transmit falls within the low-frequency to 1GHz range—such as common wireless communication signals or specific industrial control signals—RG174 is an excellent choice. It ensures stable signal transmission with low loss.

From the Perspective of Equipment Connectivity:

· Connecting Wireless Network Devices and Antennas: In wireless network deployments, RG174 is often used to connect wireless access points, routers, and antennas. Due to its characteristics, RG174 provides efficient signal transmission between devices and antennas, ensuring strong and high-quality wireless signals. It is commonly used in home, office, or small commercial network setups.

· Connecting 50-Ohm SMA Interface Devices: When devices feature SMA interfaces with a 50-ohm impedance, RG174 is an ideal connection cable. For example, professional RF testing equipment or small base station devices can rely on RG174 for reliable connectivity and signal transmission.

From the Perspective of Environmental Adaptability:

· Limited Space Environments: RG174 has a small diameter and good flexibility, making it easy to install in tight spaces. It is ideal for environments where space is constrained, such as inside aircraft, ships, or small electronic devices. RG174 allows for easier installation in complex layouts.

· Moderate Electromagnetic Interference Environments: The shielding of RG174 can resist a certain level of electromagnetic interference. In environments with moderate EMI, such as general industrial factories or areas near electrical equipment, RG174 helps maintain signal integrity, avoiding distortion or errors caused by external interference.

From the Perspective of Application Scenarios:

· Security Systems and Access Control: In security monitoring systems, such as camera signal transmission and the connection between card readers and controllers in access control systems, RG174 provides stable signal transmission, ensuring the system operates correctly and data is accurately transmitted.

· Home Automation Systems: In smart home environments, RG174 can be used to connect smart devices like sensors and controllers, enabling communication and data exchange between devices and helping to build an efficient and stable home automation network.

· Automotive Electronics Systems: Cars have many electronic devices in a limited space with a complex electromagnetic environment. RG174 can be used to connect car radio antennas, GPS antennas, in-vehicle communication devices, and other components, meeting the signal transmission requirements of automotive electronic systems. Its flexibility also facilitates installation within the confined space of vehicles.

 

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