User's Manual Part 2

RBS 2109 User’s Guide
Table 18 Measurement Frequency Range for Antenna Systems with ddTMA
System
RX Band (on TMA Label) TX Band (Measurement
Frequency Range)
Start Freq.
MHz
Stop Freq.
MHz
Start Freq.
MHz
Stop Freq.
MHz
GSM 800
824 849 869 894
GSM 1900
1850 1910 1930 1990
1850 1880 1930 1960
1865 1895 1945 1975
1880 1910 1960 1990
7. Check that no SWR levels are over 1.5 (= 14.0 dB RL) in the TX band, see
table above. For conversion between SWR and Return Loss see Table 18
on page 93. Enter the
test result
in the test record. For examples of
acceptable and unacceptable waveforms, see figures below.
8. Create a unique trace name in accordance with Section 6.9 Naming an
SWR Measurement on page 95. Save the measurement by pressing the
SAVE DISPLAY key. Type in the trace name using the alphanumeric soft
keys, and press ENTER.
9. Repeat the SWR test for each feeder on the site.
93EN/LZT 720 0090 Uen R1A 2004-09-17