Installation and Operation Manual

Specifications
Page 48
VHF Transceiver Transmitter x 1
Receiver x 2 (Receivers time shared between AIS and
DSC)
Frequency: 156.025 to 162.025 MHz in 25 kHz steps
Output Power
CSTDMA
33dBm ± 1.5 dB
Output Power
SOTDMA
37dBm ± 1.5 dB
Channel
Bandwidth
25kHz
Channel Step 25kHz
Modulation
Modes
25kHz GMSK (AIS, TX and RX)
25kHz AFSK (DSC, RX only)
Bit rate 9600 b/s ± 50 ppm (GMSK)
1200 b/s ± 30 ppm (FSK)
RX Sensitivity
CSTDMA
Less than -107dBm at 20% PER
RX Sensitivity
SOTDMA
Better than -107dBm at 20% PER
Co-channel 10dB
Adjacent channel 70dB
IMD 65dB
Blocking 86dB
Environmental Water resistant to IPx7 & IPx6
Operating temperature: -25ºC to +55ºC
Tested to IEC 60945 'Exposed' category
Indicators Power, TX status, error, silent mode status