Service Manual

273
6802800U74-AN
Chapter 7: Radio Frequency Distribution System
The following table lists all configurations for MTS 4.
NOTICE: The numbers illustrated are applicable for TETRA with TEDS numbers within
parentheses.
Low Power is valid for 400 MHz and 260 MHz, while High Power is valid for both 400 MHz and
800 MHz.
Table 84: MTS 4 RF Configurations
Max Power
er
[W]
Cavity
Duplex-
RF Configuration Combin-
Low High
er
Pre se-
lector
Post
Filter
Pwr
Pwr
1 - 2 BRs
TX/RX on 2 ant.
25
40
-
2
-
-
(20)
TX/RX on 2 ant., RX on 1
25
40
-
2
1
-
ant.
(20)
TX on 2 ant., RX on 2 ant.
25
40
-
-
2
2
(20)
TX on 2 ant., RX on 3 ant.
25
40
-
-
3
2
(20)
TX/RX on 1 ant., RX on 1
10
25
1
1
1
-
ant.
(10)
TX/RX on 1 ant., RX on 2
10
25
1
1
2
-
ant.
(10)
TX on 1 ant., RX on 2 ant.
10
25
1
-
2
1
(10)
TX on 1 ant., RX on 3 ant.
10
25
1
-
3
1
(10)
3 - 4 BRs
TX/RX on 2 ant.
10
25
2
2
-
-
(10)
TX/RX on 2 ant., RX on 1
10
25
2
2
1
-
ant.
(10)
TX on 2 ant., RX on 2 ant.
10
25
2
-
2
2
(10)
TX on 2 ant., RX on 3 ant.
10
25
2
-
3
2
(10)
TX/RX on 1 ant., RX on 1
10
25
2 (comb)
1
1
-
ant.
(10)
TX/RX on 1 ant., RX on 2
10
25
2 (comb)
1
2
-
ant.
(10)
TX on 1 ant., RX on 2 ant.
10
25
2 (comb)
-
2
1
(10)
TX on 1 ant., RX on 3 ant.
10
25
2 (comb)
-
3
1
(10)