Standard Horizon Matrix GX2000 Owner's Manual page 115

21.3 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.493-12
Antenuator (Local) .................................................................... Approx. 10 dB
21.4 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
21.5 NMEA Input/Output
NMEA-0183 (4800bps for Position Data) ... Input:GLL, GGA, GNS and RMC
NMEA-0183 HS (38400bps for AIS Data) ..................... Input:VDM (GX2000)
GX2000/GX2100
de-enphasis characteristic at 300 to 3000 Hz
Output:DSC, DSE
Output: VDM (GX2100)
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