Solid PE insulated RF coaxial cable delivers dependable dielectric performance, low attenuation characteristics, good heat tolerance, and effective protection against humidity. Its versatility makes it a popular choice in fields such as security monitoring, broadcasting, communications, factory automation, public audio systems, and R&D laboratories, where it is used for video transmission, RF signal delivery, and noise-immune connectivity.
Application
Security surveillance: Used for carrying video feeds from analog cameras to recording devices within monitoring installations.
Broadcast & CATV: Functions as a radio-frequency transmission link in radio broadcasting and cable television networks.
Communications testing: Facilitates RF connections over short to medium distances between wireless base stations and testing apparatus.
Industrial automation: Employed in control systems for measurement and data acquisition where high immunity to electrical noise is essential.
Public address systems: Delivers professional-grade audio signals with effective resistance to interference.
Laboratory use: Serves as a dependable RF interconnect for measurement and experimental setups in R&D and quality assurance labs.
Benefits
Reduced Signal Loss
The physically foamed PE insulation layer provides noticeably lower attenuation than solid-dielectric designs.
Broadband Capability
Supports clear, high-quality transmission at frequencies up to 1 GHz and above, making it ideal for TV and radio applications.
Durable Construction
Withstands exposure to moisture, humidity, and corrosive agents, ensuring dependable long-term operation.
Geometric Stability
Maintains consistent characteristic impedance and dimensional uniformity even when flexed or routed around bends.
Operational Conditions
|
Inner conductor |
Copper |
|
Insulation |
PE |
|
Outer conductor |
Tinned copper braid |
|
Sheath |
PVC |
|
Temperature |
-25℃ - +70℃, cold resistance: -40℃ -+105℃ |
|
Long-term allowable operating temperature of the inner conductor |
+70℃ |
|
Shape |
Round |
|
Operating voltage |
300/500V and below |
|
Operating temperature |
-40°C ~+80°C |
Packaging
Finished product + wooden barrel packaging
Specifications
Structure (mm)
|
Structure |
SYWV-50-3 |
SYWV-50-4 |
SYWV-50-5 |
SYWV-50-7 |
SYWV-50-9 |
SYWV-50-10 |
|
Inner Conductor |
1.02 |
1.4 |
1.8 |
2.6 |
3.2 |
3.5 |
|
Dielectric |
3 |
3.8 |
5 |
7.3 |
9 |
10 |
|
Outer Conductor |
3.7 |
4.5 |
5.7 |
8.3 |
10 |
11 |
|
Jacket |
5 |
6.1 |
7.5 |
10.2 |
12.4 |
13.3 |
Electrical Characteristics
|
Item |
SYWV-50-3 |
SYWV-50-4 |
SYWV-50-5 |
SYWV-50-7 |
SYWV-50-9 |
SYWV-50-10 |
|
|
DC Resistance (ohm/km) |
Inner Conductor |
24 |
12.1 |
6.92 |
3.34 |
2.21 |
1.82 |
|
Outer Conductor |
13.5 |
12.76 |
10.5 |
11.1 |
7.5 |
7.1 |
|
|
Insulation Resistance MΩ·km |
5000 |
||||||
|
Dielectric Strength (kv) |
1.6 |
||||||
|
Velocity of Propagation |
0.81 |
0.81 |
0.82 |
0.82 |
0.81 |
0.81 |
|
|
Impedance (ohm) |
50±2 |
||||||
|
VSWR |
≤1.2 |
||||||
|
Withstand Voltage (V DC) |
1000 |
1000 |
2000 |
2500 |
3000 |
3000 |
|
|
Capacitance (pF/m) |
81 |
81 |
81 |
81 |
81 |
81 |
|
|
Spark-over Voltage (V DC) |
5000 |
5000 |
5000 |
5000 |
5000 |
5000 |
|
Attenuation (dB/100m)
|
Frequency (MHz) |
SYWV-50-3 |
SYWV-50-4 |
SYWV-50-5 |
SYWV-50-7 |
SYWV-50-9 |
SYWV-50-10 |
|
50 |
7.8 |
5.8 |
4.7 |
3.3 |
2.9 |
2.5 |
|
100 |
11.5 |
8.4 |
6.7 |
4.8 |
4.1 |
3.5 |
|
150 |
13 |
10 |
7.8 |
5.8 |
4.7 |
4.2 |
|
200 |
14.7 |
11.5 |
9.1 |
6.7 |
5.5 |
4.8 |
|
280 |
17.2 |
12.9 |
10.2 |
8.8 |
6.6 |
5.8 |
|
350 |
19.5 |
16.5 |
12.2 |
8.9 |
7.5 |
6.6 |
|
400 |
21.5 |
17.5 |
13 |
9.6 |
7.9 |
7 |
|
500 |
23.7 |
18.5 |
14.5 |
10.4 |
8.8 |
7.8 |
|
600 |
25.3 |
20.3 |
16.2 |
11.8 |
9.7 |
8.9 |
|
800 |
30.2 |
23.6 |
18.9 |
14.1 |
11.7 |
10.8 |
|
900 |
31.8 |
24.5 |
20.3 |
14.8 |
12.2 |
11.3 |
|
1000 |
32.7 |
21.5 |
26.5 |
15.6 |
13.6 |
12.3 |
|
1200 |
36.5 |
28.3 |
23.5 |
17.4 |
15.7 |
14.2 |
|
1500 |
41 |
33.5 |
25 |
19.2 |
17.5 |
15.6 |
|
1800 |
44.6 |
36.7 |
30.7 |
22 |
19.2 |
16.9 |
|
1900 |
47.4 |
37.9 |
31.8 |
22.4 |
19.7 |
17.2 |
|
2000 |
49.5 |
38.7 |
32.3 |
22.4 |
19.7 |
17.2 |
|
2100 |
50.4 |
39.6 |
33.6 |
24.7 |
21.9 |
18.4 |
|
2400 |
54 |
42.9 |
35.6 |
26.9 |
22.7 |
19.6 |
|
2800 |
58.7 |
47.4 |
39.4 |
29.1 |
24.8 |
21.6 |
|
3000 |
61.5 |
48.6 |
40.9 |
30.7 |
25.9 |
22.5 |
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