Receiver (For Voice And Dsc); Receiver (For Ais); Nmea Input Output - Standard Horizon GX2150 Owner's Manual

20.3 RECEIVER (for Voice and DSC)

Frequency Range ............................................ 156.050 MHz to 163.275 MHz
Sensitivity
20 dB Quieting .............................................................................. 0.35 µV
12 dB SINAD ................................................................................. 0.30 µV
Squelch Sensitivity (Threshold) ..................................................... 0.13 µV
Modulation Acceptance Bandwidth ...................................................±7.5 kHz
Selectivity (Typical)
Spurious and Image Rejection ................ 80 dB for Voice (75 dB for DSC)
Intermodulation and Rejection ................ 80 dB for Voice (75 dB for DSC)
Audio Output ................................ 4.5 W (at 4 ohms external speaker output)
Audio Response .......................................... within +1/–3dB of a 6 dB/Octave
Frequency Stability .......................................... ±0.0003 % (–20 °C to +60 °C)
Channel Spacing ................................................................................. 25 kHz
DSC Format .......................................................................... ITU-R M.493-13
Antenuator (Local) .................................................................... Approx. 10 dB

20.4 RECEIVER (for AIS)

Frequency .................................. 161.975 MHz (CH A), 162.025 MHz (CH B)
Sensitivity ................................................................. 0.5 µV (at 12 dB SINAD)
Selectivity(Typical)
Spurious and Image Rejection ......................................................... 70 dB
Intermodulation and Rejection ......................................................... 70 dB
20.5 NMEA INPUT/OUTPUT
GX2000
NMEA 0183 GPS Input (4800 baud) ........................... GGA, GLL, GNS, & RMC
NMEA 0183 VHF DSC Output (4800 baud) .................................. DSC & DSE
NMEA 0183 AIS Input (38400 baud) ....................................................... VDM
GX2150
4800 Baud selected:
NMEA 0183 GPS Input (4800 baud) ..... GGA, GLL, GNS, RMC, GSA, & GSV
NMEA 0183 VHF DSC Output (4800 baud) ............................. DSC & DSE
NMEA 0183 AIS Output (38400 baud) ............................................... VDM
38400 Baud selected:
NMEA 0183 GPS Input (38400 baud) ... GGA, GLL, GNS, RMC, GSA, & GSV
NMEA 0183 VHF DSC Output (38400 baud) .................. DSC, DSE & VDM
NMEA 0183 AIS Output (38400 baud) ............................................... VDM
GX2000/GX2150
de-enphasis characteristic at 300 to 3000 Hz
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