Từ khóa: cáp đồng trục, cáp thang máy, cáp tivi, cáp liền nguồn, 4C, 5C,RG58, RG59, RG59+2C, RG6, RG11, QR540, cap dong truc, dây anten
Standard Construction:
14 AWG, 0.064in. (1.63mm) Copper Covered Steel center conductor, Gas Expanded Polyethylene dielectric; Inner Shield Aluminum-Polypropylene-Aluminum laminated tape with overlap bonded to dielectric; Outer Shield of 34 AWG Aluminum wire braid shield;Outer Black Jacket of Polyethylene (PE). Nominal O.D 0.395in (10.03mm).
Other options are available upon request.
Attenuation at 20°C
Frequency (MHz) |
Maximum (db/100ft) |
Maximum (db/100m) |
5 |
0.38 |
1.25 |
55 |
0.96 |
3.15 |
211 |
1.9 |
6.23 |
250 |
2.05 |
6.72 |
350 |
2.42 |
7.94 |
400 |
2.6 |
8.53 |
450 |
2.75 |
9.02 |
500 |
2.9 |
9.51 |
550 |
3.04 |
9.97 |
600 |
3.18 |
10.43 |
750 |
3.65 |
11.97 |
865 |
3.98 |
15.05 |
1000 |
4.35 |
14.27 |
1200 |
4.84 |
15.85 |
1450 |
5.42 |
17.78 |
1750 |
6.1 |
20.01 |
2000 |
6.53 |
21.44 |
Cable Physical Construction
Component |
Standard Shield |
Tri Shield |
Quad-Shield |
Inches (mm) |
Inches (mm) |
Inches (mm) |
Nominal Center Conductor Diameter |
0.064 (1.63) |
0.287 (7.29) |
0.064 (1.63) |
Nominal Diameter Over Dielectric |
0.280 (7.11) |
0.287 (7.29) |
0.280 (7.11) |
Norminal Diameter Over First Shield (Tape) |
0.287 (7.29) |
0.287 (7.29) |
0.287 (7.29) |
Norminal Diameter Over Jacket |
0.395 (10.03) |
0.395 (10.03) |
0.405 (10.29) |
Nominal Jacket Wall Thickness |
0.042 (1.07) |
0.039 (0.99) |
0.037 (0.94) |
Norminal Diameter of Steel Messenger |
Ø0.072 (1.83) |
Ø0.072 (1.83) |
Ø0.072 (1.83) |
Shield : Foil |
Aluminum Laminated Foil, Bonded to Dielectric |
Shield : 2nd Foil |
N/A |
Alu. Laminated Foil |
Alu. Laminated Foil |
Braid : |
Aluminum Wire, 60% Coverage |
Braid : 2nd Braid |
N/A |
N/A |
Aluminum Wire, 40% Coverage |
Electrical Characteristics at 20°C
Norminal Impedence |
75 Ω |
Norminal Velocity of Propagation |
85% |
Shielding Effectiveness |
>100db |
Capacitance |
53.2 pF/m (nom). |
Mechanical Characteristics
Minimum Breaking Strength of Messenger |
365 lbs. 166Kg |
Cable Temperature Rating |
Temp -20°C to 70°C |