87
Selectivity (Typical)
Spurious and Image Rejection ............... 75 dB for Voice (70 dB for DSC)
Intermodulation and Rejection ................ 70 dB for Voice (70 dB for DSC)
Audio Output ................................ 4.5 W (at 4 ohms external speaker output)
Audio Response .............................................. 1/–3 of a 6 dB/octave
de-emphasis characteristic at 300 to 3000 Hz
Frequency Stability (–4°F to +140°F (–20°C to +60°C)) ..................±0.0003 %
Channel Spacing ................................................................................. 25 kHz
DSC Format .......................................................................... ITU-R M.493-13
(European version: Meets ITU-R M493-14)
INTERNAL GPS RECEIVER (GX1400GPS and GX1400GPS/E only)
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
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*,
RMC*, GSA* & GSV*
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*,
RMC*, GSA* & GSV*
*(GX1400GPS and GX1400GPS/E only)