Περιγραφή
1/2″ coaxial cable is designed for a wide variety of applications requiring low loss RF cable, including outdoor antenna installations and jumper cable assemblies used in wireless communications.
It is constructed with a UV resistant polyethylene jacket for outdoor use.
This cable is also designed for easy installation with maximum flexibility and bendability and is compatible with a wide variety of connectors.
General specification | ||
cable type | rfmax-1/2″ | |
impedance (ohm) | 50 +/- 2 | |
brand | rf-max | |
packaging reel (m) | 200 | |
packaging paper carton (m) | 200 | |
Construction Specification | ||
jacket color | black | |
Jacket material | Polyethylene | |
braid material | ? | |
shield tape material | ? | |
dielectric | physical foam polyethylene | |
inner conductor | copper clad Alumium wire | |
Dimensions | ||
nominal size | ||
cable weight (kgr/m) | 0.212 | |
diameter over jacket (mm) | 15.8 | |
diameter over dielectric (mm) | 12.2 | |
second shield (mm) | ||
first shield (mm) | 13.8 | |
inner conductor OD (mm) | 4.8 | |
braid wire dim/AWG | not applicable | |
braid % surface coverage | not applicable | |
Mechanical and Enviromental characteristics | ||
min. bend radius installation (mm) | 70 | |
min. bend radius repeated (mm) | 125 | |
tensile strength (kgr) | 72.6 | |
storage temp ( C ) | -40 to +70 Celcius | |
installation temp. ( C ) | -40 to +70 Celcius | |
operating temp. ( C) | -40 to +70 Celcius | |
Electrical Characteristics | ||
usuable Frequency range (Ghz) | ||
cutoff Frequency (Ghz) | 10.3 | |
Peak Power max (Kw) | 40 | |
average power (w) at 220Mhz | 1200 | |
V.S.W.R. max at (1900Mhz-2500Mhz) | 1.15 | |
inner contact resistance DCR (ohms/Km) | 1.4 | |
outer condact resistance DCR (ohms/Km) | 1.9 | |
Capacitance (pF/m) | 76 | |
Iductance (uH/m) | 0.19 | |
impedance (ohm) | 50 +/- 2 | |
Velocity factor of propagation (%) | 88 | |
shilding Effectiveness (db) >= | 90 | |
working voltage | ||
dielectric withstanding voltage (Volts DC) | 3000 | |
Jacket spark test voltage (V Rms) | 8000 | |
Insulation Registance (min) | ? | |
time delay (nsec/m) | not available | |
phase stability (ppm/Celcius) | not available | |
VSWR <= (Return Loss>= db) 100-3000MHZ |
1,20 | |
Attenuation and Average Power at 20 0 Celcius | ||
frequency (Mhz) | Attenuation (db/100m) | Average Power (Kw) |
50 | 1.4 | 6.4 |
100 | 2.17 | 3.49 |
200 | 3.1 | ? |
450 | 4.75 | 1.59 |
1800 | 10.1 | 0.753 |
2000 | 10.7 | 0.71 |
2500 | 12.1 | 0.627 |
3000 | 13.4 | 0.565 |