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When it comes to coaxial cables, two popular options are the RG223 and LMR240. These cables are widely used in various applications, from radio frequency (RF) communication to video transmission. In this article, we’ll delve into the key differences between these two coaxial cable types, highlighting their unique features, performance characteristics, and suitable applications.

Comparing RG223 and LMR240 Coaxial Cables

Specification	RG223	LMR240
Impedance	50 Ohms	50 Ohms
Outer Diameter	0.216 inches (5.49 mm)	0.240 inches (6.10 mm)
Attenuation at 100 MHz	0.39 dB/m	0.33 dB/m
Attenuation at 1 GHz	1.29 dB/m	1.01 dB/m
Attenuation at 3 GHz	2.30 dB/m	1.82 dB/m
Minimum Bend Radius	20 mm	25 mm
Maximum Operating Voltage	1500 V	1500 V
Temperature Range	-55°C to +200°C	-65°C to +200°C

RG223 Coaxial Cable

The RG223 coaxial cable is a type of 50-ohm cable that is widely used in various applications, including radio frequency (RF) communications, video transmission, and test equipment. It is known for its reliable performance and ruggedness, making it a popular choice in harsh environments.

One of the key features of the RG223 is its small outer diameter, which makes it highly flexible and easy to route in tight spaces. This cable is often used in applications where space is limited, such as in-vehicle installations or portable equipment.

LMR240 Coaxial Cable

The LMR240 coaxial cable is another 50-ohm option that is designed for superior performance and reliability. This cable is often used in applications that require low signal loss, such as cellular networks, satellite communications, and high-frequency radio systems.

Compared to the RG223, the LMR240 has a slightly larger outer diameter, which provides better shielding and lower attenuation. This makes it a more suitable choice for longer cable runs or applications where signal integrity is of utmost importance.