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GX3500SPage 86
17 SPECIFICATIONS
Performance specifications are nominal, unless otherwise indicated, and are
subject to change without notice.
17.1 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 ........................................................... 3-9/16” H x 9-1/16” W x 5-29/32” D
(90 H x 230 W x 150 D mm)
Flush-Mount Dimensions ........................................ 2-27/32” H x 8-5/64” W x 5-1/8” D
(72 H x 205 W x 130 D mm)
Weight ................................................................................................. 3.2 lbs (1.45 kg)
17.2 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
17.3 RECEIVER
Frequency Range ..................................................................156.050 to 163.275 MHz
Sensitivity
12 dB SINAD ...............................................................................................0.25 µV
12 dB SINAD (70 CH Receiver) ..................................................................0.30 µV
Squelch Sensitivity (Threshold)...................................................................0.13 µV
Modulation Acceptance Bandwidth ................................................................. ±7.5 kHz
Selectivity
Spurious and Image Rejection ................................................... better than -70 dB
Intermodulation and Rejection at 12 dB SINAD ......................... better than -70 dB
Audio Output ........................................................................................................4.5 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