GX1256S Page 69
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................................................ 2-1/2” H x 6-5/16” W x 6-5/16” D
(64 H x 160 W x 160 D mm)
Flush-Mount Dimensions .................................. 2” H x 5-5/16” W x 5-1/8” D
(50 H x 136 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