Motorola BASIC RADIO GP308 User Manual
Page 3
Whatever Your Business, GP308
Keeps Everyone In Touch
GP308 Specifications
GENERAL – VHF, UHF
*Frequency:
136 - 174 / 403 - 470 / 450 - 527
Channel Capacity:
16 channels
Power Supply:
7.5v +/- 20%
DIMENSIONS:
( Radio footprint height excluding knobs )
H
x
W
x
D
With Standard NiMH Battery:
137 mm
x
57.5 mm
x
37.5 mm
With NiCd Battery:
137 mm
x
57.5 mm
x
40.0 mm
WEIGHT:
With Standard NiMH Battery
429 g
With NiCd Battery
454 g
AVERAGE BATTERY LIFE @ 5/5/90 CYCLE
Low Power
High Power
With Standard Capacity NiMH Battery:
10 hours
8 hours
With NiCd Battery:
10 hours
8 hours
Sealing:
Withstands rain testing per MIL-STD-810-C,D & E and IP54
Shock and Vibration:
Protection provided via impact resistant housing exceeding
MIL-STD-810-C,D & E and TIA/EIA 603
Dust and Humidity:
Protection provided via environment resistant housing exceeding
MIL-STD-810-C,D & E and TIA/EIA 603
RECEIVER SPECIFICATION
VHF / UHF
*Frequency:
136 - 174 / 403 - 470 / 450 - 527
Freq Stability (-30
o
C to 60
o
C):
0.00025%
Frequency Separation:
Full Bandsplit
Sensitivity (12 dB SINAD) (EIA):
.25
µ
V
Intermodulation (EIA):
70dB
Adjacent Channel Selectivity:
60dB@ 12.5kHz/70dB@ 25kHz
Spurious Rejection:
70dB
Rated Audio:
500mW
Audio Distortion:
3%
Hum and Noise:
-45dB@ 12.5kHz, -50dB@ 25kHz
Audio Response (300-3000Hz)
+1 to -3dB
Conducted Spurious Emission:
-57dBm<1GHz/-47dBm>1GHz/FCC Part 15
TRANSMITTER SPECIFICATION
VHF / UHF
*Frequency:
136 -174 / 403 - 470 / 450 - 527
Frequency Separation:
Full Bandsplit
Channel Spacing:
12.5/20/25kHz
Freq Stability (-30
o
C to 60
o
C, +25
o
CRef.):
+/- 0.00025%
Power:
5W – 136 -174 4W – 403 -470, 450 - 527
Modulation Limiting:
+/-2.5@ 12.5kHz, +/-4.0@ 20kHz,
+/- 5.0@ 25kHz
FM Hum & Noise:
-40dB
Conducted/Radiated Emission:
-66dBw
Modulation FCC Type:
12.5kHz 11K0F3E
25kHz 16K0F3E
Audio Response
(from 6dB/octave pre-emphasis, 300 - 3000 Hz):
+1 to -3dB
Audio Distortion:
3%
* Availability subject to country law and regulations.
Radios meet applicable regulatory requirements.
All specifications shown are subject to change without notice. Specifications are not representative of all radios and may vary in different radios.