Alientech CG240 kaabel | 20m

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We recommend and prefer three different coaxial cables: RG223, CG240, and RG8. All of these are flexible coaxial cables that comply with the MIL-C-17 standard and have an impedance of 50 ohms. However, they differ in materials, outer diameter, electrical and mechanical properties, and attenuation characteristics. When choosing a cable, we recommend considering your specific application needs.

SKU: CG240-Q-JW/KW-_20 Category: Accessories

CG240 Specifications:

Inner Conductor: Bare copper wire (1.42 mm)
Dielectric: Foam PE (3.81 mm)
Outer Conductor: Aluminum foil + tinned copper braid (4.52 mm)
Jacket: Black PE (6.10 mm)
Cable Impedance: 50 ohms
Capacitance: 79.4 pF/m
Velocity: 84%
Operating Frequency: Up to 18 GHz
Weight: 62 g/m
Bending Radius: 30 mm
Operating Temperature: -40 to +80°C

Attenuation (@25°C & Sea Level):

Frequency (MHz)	RG223 (dB/m)	CG240 (dB/m)	RG8 (dB/m)
100	0.13	–	–
400	0.27	–	0.10
450	–	0.173	–
900	–	0.248	–
1000	0.44	–	0.16
2500	–	0.424	–
3000	0.82	–	0.28
5000	1.10	–	0.38
5800	–	0.668	–
6000	1.27	–	0.42

Cable Selection

The choice of cable primarily depends on the specific application and requirements. Key factors include operating frequency and weight constraints (e.g., in drones). CG240 offers a great balance between weight and efficiency, while RG8 is more suitable for high-frequency and high-power applications.