3
Technical Specification
RT4800/01
Intermodulation att.
More than 68dB
Blocking
More than 90dBµV
Co-channel rejection
Better than -10 dB
Adj. ch. selectivity
More than 70dB
Transmitter
RF output power
High 25 W + 0 dB to -0.5 dB
Low
0.9 W +0.5 dB to -1 dB
Adj. ch. power
Below -70dBc
Spurious radiation
Below 0.25µW
Cabinet radiation
Below 0.25µW
AF response
+ 6dB/octave
Distortion
Below 5%
Signal/noise ratio
Better than 40dB
DSC Facilities:
DSC operation
According to Rec. ITU-R M.541-6
and Rec. ITU-R M.689-2
DSC protocol
According to Rec. ITU-R M.493-7 class D
Navigator interface
NMEA 0183, GGA,GLL,ZDA
NMEA Input current 8mA type
Symbol error rate
below 1*10
-2
at
-119 dBm or 0.25µV p.d.
Modulation
1700 Hz ± 400 Hz
1200 baud ± 30 ppm
Frequency error
Below ± 1 Hz
Residual DSC-mod.
Below -26 dB
9926
