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Coaxial
Cable attenuation chart (RFI Industries) |
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Nominal attenuation (in dB) of 100m
of line |
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Site |
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Cable type |
RFI Part |
70-85 |
148-174 |
400-520 |
806-960 |
2.4-2.45GHz |
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Licence No |
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RG178B/U |
8178 |
40.7 |
55.8 |
99.7 |
133.8 |
0.0 |
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RG179 |
8179 |
30.2 |
37.7 |
55.8 |
73.1 |
0.0 |
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Convert measured RF
(Watts to dBW) |
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RG174/U |
8174 |
25.6 |
35.4 |
63.0 |
88.2 |
0.0 |
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and calculate e.i.r.p. |
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RG58C/U |
8058 |
15.1 |
23.3 |
44.3 |
59.7 |
0.0 |
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CELLFOAM |
9001 |
13.4 |
18.4 |
32.1 |
43.3 |
0.0 |
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CELLFOIL |
9006 |
9.2 |
13.8 |
22.6 |
29.5 |
0.0 |
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Transmitter power |
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w |
= |
#NUM! |
dBW |
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RG142B/U |
8142 |
10.8 |
16.1 |
29.2 |
39.4 |
0.0 |
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RG223/U |
8223 |
13.8 |
18.7 |
32.8 |
44.9 |
0.0 |
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Antenna type |
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Dipole |
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RG59B/U |
8059 |
10.2 |
16.1 |
29.5 |
43.3 |
0.0 |
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Antenna gain |
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dBi |
= |
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dB |
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RG59 Foam |
9003 |
6.6 |
11.8 |
20.3 |
26.2 |
0.0 |
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RG62A/U |
8062 |
7.5 |
11.2 |
19.4 |
26.2 |
0.0 |
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Cable type |
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RG213 |
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RG11/U |
8011 |
5.9 |
8.2 |
15.7 |
21.6 |
0.0 |
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Cable length |
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metres |
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RG213/U |
8213 |
6.6 |
8.5 |
16.4 |
24.3 |
0.0 |
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Cable loss (dB/100m) |
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dB |
= |
#VALUE! |
dB |
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RG214/U |
8214 |
6.2 |
8.5 |
16.4 |
24.3 |
0.0 |
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10D-FB Type |
9005 |
3.0 |
3.9 |
7.9 |
10.2 |
0.0 |
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Filter type |
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1/2 stub |
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RG8 type |
C2FP |
3.9 |
5.6 |
10.2 |
14.8 |
23.0 |
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Filter loss |
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dB |
Duplexer and cavity |
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1/4 |
Superflex |
FSJ1-50 |
4.3 |
7.2 |
13.8 |
18.4 |
32.5 |
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3/8 |
Superflex |
FSJ2-50 |
3.6 |
4.9 |
9.2 |
12.5 |
22.6 |
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*Other gains+/losses- |
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dB |
= |
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dB |
1/2 |
Superflex |
FSJ4-50 |
2.6 |
4.3 |
7.9 |
11.2 |
19.4 |
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1/4 |
Heliax |
LDF1-50 |
3.6 |
4.9 |
8.9 |
11.8 |
19.0 |
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Total e.i.r.p. |
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0.00 |
dBW |
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3/8 |
Heliax |
LDF2-50 |
3.0 |
4.3 |
7.5 |
10.8 |
18.7 |
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7/8 |
Heliax |
VLX5-50 |
1.0 |
1.6 |
3.0 |
4.3 |
7.5 |
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Licensed power e.i.r.p. |
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dBW |
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1/2 |
Heliax |
LDF4-50 |
2.0 |
2.6 |
5.2 |
7.2 |
12.1 |
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7/8 |
Heliax |
LDF5-50 |
1.0 |
1.3 |
3.0 |
3.9 |
6.9 |
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Difference |
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0.00 |
dB |
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1-1/4 |
Heliax |
LDF6-50 |
0.7 |
1.0 |
2.0 |
3.0 |
5.2 |
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1-5/8 |
Heliax |
LDF7-50 |
0.7 |
1.0 |
1.6 |
2.3 |
4.6 |
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Antenna Data for site/licence audit
work |
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Make |
Model |
Elements |
Band |
Gain |
Remarks |
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Hi-Tec |
CFDA |
1 |
80-90MHz |
2.1dBi |
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Hi-Tec |
CY2A |
2 |
80-90MHz |
5.1dBi |
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Hi-Tec |
CY3A |
3 |
80-90MHz |
8.1dBi |
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Hi-Tec |
CY4A |
4 |
80-90MHz |
9.6dBi |
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Hi-Tec |
CFDE |
1 |
130-170MHz |
2.1dBi |
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Hi-Tec |
CY2E |
2 |
130-170MHz |
5.1dBi |
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Hi-Tec |
CY3E |
3 |
130-170MHz |
8.1dBi |
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Hi-Tec |
CY4E |
4 |
130-170MHz |
9.6dBi |
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Hi-Tec |
CY5E |
5 |
130-170MHz |
10.1dBi |
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Hi-Tec |
CY6E |
6 |
130-170MHz |
11.1dBi |
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Hi-Tec |
Y2A |
2 |
80-88Mhz |
5.1dBi |
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Hi-Tec |
Y3A |
3 |
80-88Mhz |
8.6dBi |
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Hi-Tec |
Y4A |
4 |
80-88Mhz |
10.1dBi |
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Hi-Tec |
Y6A |
6 |
80-88Mhz |
11.6dBi |
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Hi-Tec |
Y2E |
2 |
130-170MHz |
5.1dBi |
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Hi-Tec |
Y3E |
3 |
130-170MHz |
8.6dBi |
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Hi-Tec |
Y4E |
4 |
130-170MHz |
10.1dBi |
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Hi-Tec |
Y6E |
6 |
130-170MHz |
11.6dBi |
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Hi-Tec |
COLV3 |
Colinear |
138-175MHz |
5.1dBi |
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Hi-Tec |
COLV6 |
Colinear |
138-175MHz |
8.1dBi |
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Make |
Model |
Elements |
Band |
Gain |
Remarks |
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Deltec |
Y155-6 |
6 |
148-162MHz |
9.8dBi |
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Deltec |
Y168-6 |
6 |
162-174MH |
9.8dBi |
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Deltec |
Y425-8 |
8 |
415-435MHz |
12.1dBi |
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Deltec |
Y460-8 |
8 |
450-470MHz |
12.1dBi |
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Deltec |
Y425-12 |
12 |
415-435MHz |
14.1dBi |
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Deltec |
Y460-12 |
12 |
450-470MHz |
14.1dBi |
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Deltec |
CNR460C |
Cnr reflector |
406-520MHz |
10.1dBi |
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Deltec |
CNR890 |
Cnr reflector |
890-960Mhz |
10.1dBi |
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Others |
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CR2 |
Cnr reflector |
VHF |
9.6dBi |
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CR4 |
Cnr reflector |
UHF |
12.1dBi |
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460C |
Cnr reflector |
UHF |
10dBi |
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16 element yagi |
16 |
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16.1dBi |
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Make |
Model |
Elements |
Band |
Gain |
Remarks |
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Hi-Tec |
CFDU |
1 |
380-520MHz |
2.1dBi |
Commercial series |
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Hi-Tec |
CY2U |
2 |
380-520MHz |
6.1dBi |
Commercial series |
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Hi-Tec |
CY3U |
3 |
380-520MHz |
7.6dBi |
Commercial series |
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Hi-Tec |
CY4U |
4 |
380-520MHz |
8.6dBi |
Commercial series |
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Hi-Tec |
CY6U |
6 |
380-520MHz |
11.1dBi |
Commercial series |
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Hi-Tec |
CY8U |
8 |
380-520MHz |
11.6dBi |
Commercial series |
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Hi-Tec |
CY10U |
10 |
380-520MHz |
12.6dBi |
Commercial series |
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Hi-Tec |
COLU3 |
Colinear |
400-520MHz |
5.1dBi |
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Hi-Tec |
COLU6 |
Colinear |
400-520MHz |
8.1dBi |
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Hi-Tec |
COLU8 |
Colinear |
400-520MHz |
10.1dBi |
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Hi-Tec |
CRU8 |
Cnr reflector |
380-520MHz |
10.1dBi |
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Hi-Tec |
Y4U |
4 |
400-500MHz |
10.6dBi |
Pro series |
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Hi-Tec |
Y6U |
6 |
400-500MHz |
11.6dBi |
Pro series |
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Hi-Tec |
Y8U |
8 |
400-500MHz |
12.6dBi |
Pro series |
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Hi-Tec |
Y10U |
10 |
400-500MHz |
13.6dBi |
Pro series |
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