13 specifications – Standard Horizon QUEST+ GX1256S User Manual

Page 69

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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

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