User Manual

36 SpotCell 2500Xe
DU Signal Level Indicator
The graduated blue bars on the back of the DU indicate the signal level received by the
DU
A.3 Antenna Specifications:
0 bars indicates either the display has timed-out (normally after 20
minutes) or that the power is off.
1 bar indicates the received signal level from the base station is
very low (
less than -95 dBm
). Operation may be intermittent.
2 bars indicate the received signal is just within operational range
(
between -90 and -95 dBm
).
3 bars indicate the received signal is
between -85 and -90 dBm
.
4 bars indicate the received signal is
between -80 and -85 dBm
.
5 bars indicate the received signal is at the highest level (
greater or
equal to -80 dBm
).
Cell PCS
DU Antenna CU Antenna DU Antenna CU Antenna
Gain (dBi) 9 dBi 0 dBi 12 dBi +1 dBi
Elevation Beamwidth - typical (dg) 60º 90º 45º NA
Azimuth Beamwidth - typical (dg) 45º NA 22º NA
Front-to-Back Ratio (dB) >20 dB 0 dB >20 dB 0 dB
Polarization Vertical