User's Manual Part 2

RBS 2109 User’s Guide

Table 15 Attenuation for Different Cables

Attenuation, dB/m (CABLE LOSS)

Feeder Type Andrew

GSM 800 GSM 1900

1/4” LDF1

0.124 0.195

1/4” FSJ1 (flex)

0.179 0.278

3/8” LDF2

0.106 0.166

3/8” FSJ2 (flex)

0.121 0.191

1/2” LDF4

0.066 0.104

1/2” FSJ4 (flex)

0.107 0.171

7/8” LDF5

0.037 0.060

1 1/4” LDF6

0.027 0.043

1 5/8” LDF7

0.022 0.036

Note: If the cable type is not found in the table above, then the values must be

taken from the manufacturer’s specifications.

Example of Calculating the Total Feeder Attenuation (GSM 1900)

Test Record

P007920A

A + B + C = Total Feeder Attenuation

Figure 38 Example of Calculating the Total Feeder Attenuation

85EN/LZT 720 0090 Uen R1A 2004-09-17