Receiver (For Voice And Dsc); Receiver (For Ais); Gps Receiver - Standard Horizon GX2200 Owner's Manual

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.493-13
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 GPS RECEIVER

Receiver Channels .......................................................................66 Channels
Sensitivity ........................................................................ Less than –147 dBm
Time to First Fix . ...............................................1 minute typical (@Cold Start)
Geodetic Datum................................................................................... WGS84
GX2200
de-enphasis characteristic at 300 to 3000 Hz
5 seconds typical (@ Hot Start)
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