Sailor RT4822 User Manual download pdf (Page 5)

3

Technical Specification

RT4822

Co-channel rejection Better than -10 dB

Adj. ch. selectivity More than 70 dB

Blocking More than 90 dBµV

Transmitter

RF output power High 25W + 0 dB to -0.5 dB

Low 0.9W +0.5 dB to - 1 dB

Adj. ch. power Below -70 dBc

Spurious radiation Below 0.25 µW

Cabinet radiation Below 0.25 µW

AF response + 6 dB/octave

Distortion Below 5%

Signal/noise ratio Better than 40 dB

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 A

Navigator interface NMEA 0183, GGA,GLL,ZDA

NMEA input current 8 mA type

Symbol error rate

below 1*10

-2

at -119 dBm or 0.25 µV p.d.

Modulation 1700 Hz ± 400 Hz

1200 baud ± 30 ppm

Frequency error Below ± 1 Hz

Residual DSC-mod. Below -26 dB

9926

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