Service Manual

6802800U74-AN
Chapter 14: Technical Specifications
405
Transmitter Specification Value or Range
NOTICE: Base Radio Power
Limits above are also applicable
for 800 MHz.
Transmitter Power Control
12 dB
Transmitter Modulation Accuracy
10% RMS/Burst
Synchronization
1/4 symbol
Adjacent-channel power (25kHz)
Offset
Limit
25
-55
50
-65
75
-67
Adjacent-channel power (50kHz)
Offset
Limit
37.5
-55
62.5
-63
87.5
-65
Adjacent-channel Power due to Switching
-45 dBc
Tx Conducted Emission (25kHz TEDS)
100 - 250 kHz
-70 dBc
250 - 500 kHz
-80 dBc
500 - 2500 kHz
-80 dBc
2500 - frb kHz
-90 dBc
>frb
-95 dBc
Tx Conducted Emission (50kHz TEDS)
112.5 - 262.5 kHz
-70 dBc
262.5 - 500 kHz
-75 dBc
500 - frb kHz
-80 dBc
>frb
-95 dBc
Intermodulation Attenuation
70 dB
RF Input Impedance
50 (nom.)
14.3.5
Receiver Specifications
The receiver specifications are listed in Table 124: Receiver Specifications – TETRA on page 405 and
Table 125: Receiver Specifications – TEDS on page 406.
All specifications listed in the following two tables are through the RF Distribution System, unless
otherwise stated.
Table 124: Receiver Specifications – TETRA
Receiver Specification Value or Range
Sensitivity (normal conditions, unprotected T1, static, 4% BER):