Operation Manual

GX1250SA Owner’s Manual page 21
7 SPECIFICATIONS
Performance specifications are nominal, unless otherwise indicated, and
are subject to change without notice.
7.1 GENERAL
Channels ........................................... All USA, International and Canadian
Input Voltage ....................................................................13.8 VDC ± 20%
Current Drain
Standby ........................................................................................ 0.5A
Receive ........................................................................................ 1.5A
Transmit .................................................................. 6A (Hi); 1.7A (Lo)
Dimensions ............................................................. 2-1/2" H x 6" W x 6" D
(65 H x 150 W x 150 D mm)
Flush-Mount Dimensions .................................. 2" H x 5-3/8" W x 5-1/4" D
(50 H x 135 W x 133 D mm)
Weight .............................................................................. 1.9 Lb. (0.86 kg)
7.2 TRANSMITTER
Frequency Range ............................................... 156.025 to 157.425 MHz
RF Output.................................................................... 25 W (Hi); 1 W (Lo)
Conducted Spurious Emissions .............................. 65 dB (Hi); 50 dB (Lo)
Audio Response ................... within + 2/–8 of a 6 dB/octave pre-emphasis
characteristic at 300 to 3000 Hz
Audio Distortion .................................................................................... 5 %
Modulation .................................................................................. 16K0F3E
Frequency Stability (-20° to +50°C) ......................................... ± 0.0005%
FM Hum and Noise ................................................................... 40 dB min.
7.3 RECEIVER
Frequency Range ............................................... 156.050 to 163.275 MHz
Sensitivity:
20 dB Quieting .......................................................................... 0.4 µV
12 dB SINAD ........................................................................... 0.35 µV
Squelch Sensitivity (Threshold) ....................................................... 0.2 µV
Modulation Acceptance Bandwidth ............................................. ± 4.5 kHz
Selectivity:
Spurious and Image Rejection ................................................... 70 dB
Intermodulation and Rejection at 12 dB SINAD ......................... 65 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° to +50°C) ........................................... ± 0.001 %
Channel Spacing ............................................................................. 25 kHz