Specifications
9.4  DSC facilities 
DSC operation  According to Rec. ITU-R M.541-9 
and Rec. ITU-R M.689-2 
DSC protocol  According to Rec. ITU-R M.493-11 Class A 
Navigator interface  According to IEC 61162-1 GLL, RMC, ZDA, GGA, VTG, GNS 
Symbol error rate  Better than 1*10
-2 
@ -121 dBm or 0,20 µV p.d. 
Modulation  1700 Hz ± 400 Hz 
 1200 baud 
Frequency error  Better than ± 1 Hz 
Residual modulation  Better than –26 dB 
As mentioned above the Thrane & Thrane specifications for the SAILOR RT5022 exceed the specifications 
required by the ETSI standards. In the below tables is a comparison of the specifications that Thrane & 
Thrane requires from the VHF and the ETCI requirements. On all parameters Thrane & Thrane’s 
technologies exceed these. 
9.5  Telephony 
Parameter  ETSI 
Requirement 
T&T 
Requirement 
MUS  -107dBm  -118dBm 
Distortion  10 %  5 % 
Adj. Ch. Selectivity  70 dB  74 dB 
Intermodulation  70 dB  73 dB 
Co-channel  -10 dB  -10 dB 
Max. S/N  40 dB  43 dB 
Blocking 
90 dBµV 94 dBµV 
Spurious rejection  70 dB  74 dB 
Spurious Emission  1 nW  0,25 nW 
9.5.1  DSC 
Parameter  ETSI 
requirement 
T&T 
requirement 
MUS  -113dBm  -119 dBm 
Adj. Ch. Selectivity 
73 dBµV 77 dBµV 
Intermodulation 
68 dBµV 71 dBµV 
Co-channel  -8 dB  -8 dB 
Blocking 
93 dBµV 97 dBµV 
Spurious rejection 
73 dBµV 77 dBµV 
Spurious Emission  1 nW  0,25 nW 
Sales Introduction SAILOR RT5022 – Version 1.0 HFY     
Thrane & Thrane, April 6
th
 2005    Page 18 of 19 










