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GP328 Specifications
*Frequency Rang 29 - 42 / 35 -50 / 136 -174 / 330 - 400 / 403 - 470 / 450 - 527
Channel Capacity 16 Channels
Power Supply Provided through rechargeable battery - 7.5V
WEIGHT:  
With Standard High Capacity NiMH Battery: 420 gm
With Standard High Capacity NiMH Battery137mm x 57.5mm x 37.5mm
With Ultra High Capacity NiMH Battery: 137mm x 57.5mm x 0.0mm
With NiCD Battery: 450 gm
With LiIon Battery: 350 gm
 
AVERAGE BATTERY LIFE @ 5/5/90 CYCLE Low Power High Power
With Standard High Capacity NiMH Battery: 11 hours 8 hours
With NiCD Battery: 12 hours 9 hours
With LiIon Battery: 11 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
   
DIMENSIONS H x W x D
  With NiCD Battery: 137mm x 57.5mm x 40.0mm
  With LiIon Battery: 137mm x 57.5mm x 33.0mm
  (Radio footprint height excluding knobs)
   
Dust and Humidity: Protection provided via environment resistant housing exceeding
  MIL-STD 810 C / D / E and TIA/EIA 603
RECEIVER  
SPECIFICATION
Low Band VHF/UHF
*Frequency

29 -42 / 35 50
 136 -174/330 - 400/
403 - 470/450 -527
Frequency separation
Sensitivity (12dB SINAD)EIA
Intermodulation(EIA)
Full bandsplit
.25µV
70dB
Adjacent Channel Selectivity 60dB @ 12.5kHz/70dB @ 25kHz
Spurious Rejection
Rated Audio
Audio Distortion
70dB
500 mW
3%
Hum and Noise -45dB @ 12.5kHz, -50dB @ 25kHz
Audio Response (300-3000Hz)
Conducted Spurious Emission		 +1 to -3dB
-57dBm < 1Ghz/-47dBm > 1Ghz/FCC Part 15
TRANSMITTER  
SPECIFICATION
Low Band VHF/UHF
*Frequency 29 - 42 / 35 - 50 136 - 174/330 - 400/
403 - 470/450 - 527
Frequency separation Full bandsplit
Channel spacing 12.5/20/25kHz
Freq Stability: (-30oC to 60oC,+25oCRef.) +/- 0.0010% +/- 0.00025%
Power 6W 5W 136-174
4W 403-470
Modulation limiting ±2.5 @ 12.5kHz ±2.5 @ 12.5kHz
±5.0 @ 20kHz/25kHz ±4.0 @ 20kHhz
±5.0 @ 25kHz
FM Hum & Noise -40dB
Conducted/Radiated Emission -36dBm<1GHz/-30dBm>1GHz
Modulation FCC Type 12.5 kHz 11K0F3E / 25 kHz 16K0F3E
Audio Response ( from 6 dB/ +1 to -3dB
  octave pre-emphasis 300-3000Hz)
Audio Distortion
3%

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