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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
72


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