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FM-4000Page 82
16 SPECIFICATIONS
Performance specifications are nominal, unless otherwise indicated, and are
subject to change without notice.
16.1 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 ............................................................... 3.5” H x 9.1” W x 5.9” D
(90 H x 230 W x 150 D mm)
Flush-Mount Dimensions .......................................... 2.8” H x 8.1” W x 5.1” D
(72 H x 205 W x 130 D mm)
Weight ................................................................................... 3.2 lbs (1.45 kg)
16.2 TRANSMITTER
Frequency Range.................................................... 156.025 to 157.425 MHz
RF Output......................................................................... 25 W (Hi); 1 W (Lo)
Conducted Spurious Emissions ................................... 80 dB (Hi); 66 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 (
–
4 °F to +140 °F;
–
20 °C to +60 °C) ...............±0.0005%
FM Hum and Noise ............................................................................... 50 dB
16.3 RECEIVER
Frequency Range.................................................... 156.050 to 163.275 MHz
Sensitivity
20 dB Quieting .............................................................................. 0.35 μV
12 dB SINAD ................................................................................. 0.30 μV
Squelch Sensitivity (Threshold)..................................................... 0.13 μV
Modulation Acceptance Bandwidth ...................................................±7.5 kHz
Selectivity (Typical)
Spurious and Image Rejection ....................................................... –80 dB
Intermodulation and Rejection at 12 dB SINAD ............................. –80 dB
Audio Output ......................................................................................... 4.5 W
Audio Response ...............................................within + 1/
–
3 of a 6 dB/octave
de-emphasis characteristic at 300 to 3000 Hz
Frequency Stability (
–
4 °F to +140 °F;
–
20 °C to +60 °C) ..............±0.0005 %
Channel Spacing ................................................................................. 25 kHz
DSC Format ................................................................................. EN 301 025
NMEA Input/Output .......................................................... Output - DSC, DSE
Input - GLL, GGA, RMC and GNS