Standard Horizon GX2400GPS Owner's Manual page 139

zRECEIVER (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 ................ 75 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 % (–4 °F to +140 °F [ −20 °C to +60 °C ] )
Channel Spacing ................................................................................. 25 kHz
DSC Format .......................................................................... ITU-R M.493-15
Attenuator (Local) ...................................................................... Approx. 10 dB
zRECEIVER (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
zINTERNAL GPS RECEIVER
Receiver Channels ..................................................................... 66 Channels
Sensitivity ....................................................................... Less than –147 dBm
Time to First Fix .............................................. 1 minute typical (@Cold Start)
Geodetic Datum ................................................................................. WGS84
NMEA 0183 INPUT/OUTPUT Sentences
4800 Baud selected:
NMEA 0183 Input (4800 baud) ............ GGA, GLL, GNS, RMC, GSA, & GSV
NMEA 0183 Output (4800 baud) ..................... DSC, DSE, GGA, GLL, GNS,
NMEA 0183-HS AIS Output (38400 baud) ...........................................VDM
38400 Baud selected:
NMEA 0183-HS Input (38400 baud) ... GGA, GLL, GNS, RMC, GSA, & GSV
NMEA 0183-HS Output (38400 baud) ............. DSC, DSE, GGA, GLL, GNS,
NMEA 0183-HS AIS Output (38400 baud) ......................................... VDM
de-emphasis characteristic at 300 to 3000 Hz
5 seconds typical (@ Hot Start)
RMC, GSA & GSV
RMC, GSA & GSV
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