GME GX300W User Manual
Page 10

ELECTRICAL
General
Complies with: AS4367 and
AS/NZS4355 (Australia only)
Frequency Range: 26.965 - 27.980 MHz
Channel Set: Australian 27 MHz marine
Australian 27 MHz
Citizens Band
Modulation: AM (A3E)
Supply Voltage: • 12.6 V DC nominal
• 10.8 – 15.2 V DC range
Frequency Error: < 50 ppm over
temperature range
Dual Watch: Monitor Time - 250 ms
Monitor Period - 2 seconds
Scan Rate: 5 channels/second
Transmitter
 Modulation Frequency 
 Response:	 300	Hz	to	3	kHz,	+	1	-	3	dB 
 Max Modulation Depth: 100%
Carrier Output Power: 4 watts max
 Microphone Level @1 kHz 
 for 60% Modulation: 1 Pa
Spurious Emissions: < - 26 dBm
Receiver
 Demodulated Frequency 
 Response:	 300	Hz	to	3	kHz,	+	1	-	3	dB	
Receive
Sensitivity for
12 dB SINAD @ 30%
Modulation: - 110 dBm
Max
Squelch: < - 80 dBm
Adjacent Channel
Sensitivity: ≥ 55 dB
Spurious Response
Immunity: ≥ 55 dB
Conducted Spurous
Radiation: - 57 dBm
Audio Output Power
8 Ohms: 2.5 Watts
MECHANICAL
Dimensions: 65 (H) x 167 (D) x 55 (W) mm
Weight: 450 grams
ENVIRONMENTAL
Temperature Range: - 10°C to + 60°C
Ingress Protection Rating: IP55
Refer: http://www2.gme.net.au/IPRatings
The	GX300	will	operate	over	the	26	-	30	MHz	frequency	
range.	For	information	specific	to	frequencies	outside	of	
the	Australian	marine	or	CB	bands,	please	refer	to	the	
appropriate	amendment,	or	contact	GME	at	 
[email protected]
SPECIFICATIONS
Specifications are typical unless otherwise indicated and may be subject to change without notice or obligation.
PAGE 10
INSTRUCTION MANUAL
GX300
