GX1280SPage 72
13 SPECIFICATIONS
Performance specifications are nominal, unless otherwise indicated, and
are subject to change without notice.
13.1 GENERAL
Channels ............................................ All USA, International and Canadian
Input Voltage........................................................................ 13.8 VDC ±20%
Current Drain
Standby............................................................................................ 0.5 A
Receive............................................................................................ 1.5 A
Transmit................................................................... 5.0 A (Hi); 1.5 A (Lo)
Dimensions.................................................. 3-1/4” H x 7-1/4” W x 6-5/16” D
(83 H x 184 W x 135 D mm)
Flush-Mount Dimensions ..............................2-5/8” H x 6-5/8” W x 5-1/8” D
(67 H x 168 W x 130 D mm)
Weight ......................................................................................2.2 lbs (1 kg)
13.2 TRANSMITTER
Frequency Range.................................................. 156.025 to 157.425 MHz
RF Output...................................................................... 25 W (Hi); 1 W (Lo)
Conducted Spurious Emissions................................. 80 dB (Hi); 60 dB (Lo)
Audio Response.............................................. within +1/-3 of a 6 dB/octave
pre-emphasis characteristic at 300 to 3000 Hz
Audio Distortion....................................................................................... 5 %
Modulation..................................................... 16K0G3E, for DSC 16K0G2B
Frequency Stability (-20°C to +50°C) ...........................................±0.0005%
FM Hum and Noise .............................................................................. 50 dB
13.3 RECEIVER
Frequency Range.................................................. 156.050 to 163.275 MHz
Sensitivity
20 dB Quieting............................................................................. 0.35 µV
12 dB SINAD ...............................................................................0.25 µV
Squelch Sensitivity (Threshold) ..................................................0.13 µV
Modulation Acceptance Bandwidth................................................. ±7.5 kHz
Selectivity
Spurious and Image Rejection...................................................... -70 dB
Intermodulation and Rejection at 12 dB SINAD........................... -70 dB
Audio Output............................................................................................ 4 W
Audio Response............................................ within + 2/–8 of a 6 dB/octave
de-emphasis characteristic at 300 to 3000 Hz
Frequency Stability (-20°C to +50°C) ..........................................±0.0005 %
Channel Spacing................................................................................ 25 kHz
DSC Format.............................................................................. RTCMSC101
NMEA Input/Output ........................................................ Output - DSC, DSE
Input - GLL, GGA, RMC and GNS