Motorola GP644 User Manual
Page 2
Specification Sheet
Power Supply
Rechargeable battery 7.5V
Dimensions H x W x D (mm) with:
Height excluding knobs
Li-Ion battery
101.5 x 55.5 x 30.5
High capacity Li-Ion battery
101.5 x 55.5 x 35.5
Weight (gm) with:
Li-Ion battery
250
High capacity Li-Ion battery
270
Average battery life @ 5/5/90 Cycle with:
Low Power
High Power
Li-Ion battery
>9 hours
>7 hours
High capacity Li-Ion battery
>13 hours
>10 hours
Sealing:
Withstands rain testing per MIL STD 810 and IP54
Shock and Vibration:
Protection provided via impact resistant housing
exceeding MIL STD 810 and TIA/EIA 603
Dust and Humidity:
Protection provided via environment resistant
housing exceeding MIL STD 810 and TIA/EIA 603
Operating temperature:
-30
o
C
to +60
o
C
Storage temperature:
-40
o
C to +85
o
C
*Frequencies - Full Bandsplit
UHF: 403-470 MHz
Channel Spacing
12.5 / 20 / 25 kHz
Frequency Stability
1.5 kHz @ 12.5 kHz
(-30
o
C to +60
o
C, +25
o
C Ref.)
2.0 kHz @ 20/25 kHz
Power
403-470: 1-4W
Modulation Limiting
±2.5 @ 12.5 kHz
±4.0 @ 20 kHz
±5.0 @ 25 kHz
Conducted/Radiated Emission
-36 dBm <1 GHz
-30 dBm ≥ 1...4 GHz
Adjacent Channel Power
-60 dB @ 12.5 kHz
-70 dB @ 20/25 kHz
*Frequencies - Full Bandsplit
UHF1: 403-470 MHz
Channel Spacing
12.5 / 20 / 25 kHz
Sensitivity (20 dB SINAD)
0.50 μV typical /
12.5 kHz
Intermodulation
65 dB
Adjacent Channel Selectivity
60 dB @ 12.5 kHz
70 dB @ 20/25 kHz
Spurious Rejection
70 dB
Conduncted Spurious Emission
-57 dBm <1 GHz
-47 dBm ≥ 1...4 GHz
GENERAL SPECIFICATIONS
TRANSMITTER
RECEIVER
Data is specified for +25°C unless otherwise stated
* Availability subject to individual country’s law and regulations. Specifications are subject to change without notice and are
issued for guidance only. All specifications listed are typical. Radios meet applicable regulatory requirements. Conforms to
R&TTE directive 1999/5/EC
MOTOROLA and the Stylised M Logo are registered in the US Patent & Trademark Office. All other product or service
names are the property of their respective owners. © Motorola, Inc. 2009. All rights reserved. Specifications subject to
change without notice. All specifications shown are typical. Radio meets applicable regulatory requirements.
GP644-RE_UK(12/09)
www.motorola.com
Motorola, Ltd. Jays Close, Viables Industrial Estate,
Basingstoke, Hampshire, RG22 4PD, UK
For more information please contact your local Motorola Authorised Dealer or Distributor
Portable Military Standards 810
Applicable MIL-STD
810C
Methods Proc./Cat.
810D
Methods Proc./Cat.
810E
Methods Proc./Cat.
810F
Methods Proc./Cat.
810G
Methods Proc./Cat.
Low Pressure
500.1
I
500.2
II
500.3
II
500.4
II
505.5
II
High Temperature
501.1
I, II
501.2
I/A1,II/A1
501.3
I/A1,II/A1
501.4
I/Hot,II/Hot
501.5
I/Hot A1,
II/Hot (A1)
Low Temperature
502.1
I
502.2
I/C3,II/C1
502.3
I/C3,II/C1
502.4
I/C3,II/C1
502.5
I/C3,II/C1
Temp. Shock
503.1
-
503.2
I/A1C3
503.3
I/C1A3
503.4
I
503.5
I/C
Solar Radiation
505.1
II
505.2
I
505.3
I
505.4
I
505.5
I
Rain
506.1
I, II
506.2
I, II
506.3
I, II
506.4
I, III
506.5
I, III
Humidity
507.1
II
507.2
II
507.3
II
507.4
-
507.5
-
Salt Fog
509.1
-
509.2
-
509.3
-
509.4
-
509.5
-
Blowing Dust
510.1
I
510.2
I
510.3
I
510.4
I
510.5
I
Blowing Sand
-
-
510.2
II
510.3
II
510.4
II
510.5
II
Vibration
514.2
VIII/F,
Curve-W
514.3
I/10,II/3
514.4
I/10,II/3
514.5
I/24
514.6
I/24
Shock
516.2
I, II
516.3
I, IV
516.4
I, IV
516.5
I, IV
516.6
I, IV
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