Motorola SG 2000 用户手册
2 - 2 0 O v e r v i e w
SG 20 00 Ins tal la tion and O pera tion M anua l
Figure 2-13 illustrates the tilt selection chart for 870 MHz bandwidth and 110-channel load:
F i g u r e 2 - 1 3
R e l a t i v e l e v e l d B v e r s u s 8 7 0 M H z s l o p e 1 1 0 c h a n n e l s
R e l a t i v e l e v e l d B v e r s u s 8 7 0 M H z s l o p e 1 1 0 c h a n n e l s
-3
50
150
250
350
450
550
650
750
870
-1
-2
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Frequency, MHz
R
elat
ive level,
d
B
SG2 870 MHz Slope Chart
110 Analog Channels, 120 MHz Digital
High
Standard
Low
Standard
Low