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GX2200
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 ........................................... 1/–3dB of a 6 dB/Octave
de-enphasis characteristic at 300 to 3000 Hz
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)
5 seconds typical (@ Hot Start)
Geodetic Datum...................................................................................
WGS84