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GP 328
Brand: Motorola
Product Code: GP 328
Download Specification: Download Catalogue
 
Features:
One-to-one and one-to-many communication
Handheld-type two-way radio solutions offer maximum mobility. 
These rugged devices connect instantly to other handheld or base-station transceivers for total connectivity
Low cost Simple walky-talky type operation
 
Some Application Areas:
Construction
Mining
Airline ground operations
Public and private security
Oil and gas fields
Industrial & petrochemical complexes
Ports and docks
Government organizations, municipal corporations and public utilities like electricity boards (MSEB etc.), 
gas distribution networks, irrigation, fire brigade, waste management, etc.
 
Specifications:
Frequency range 29 - 42 / 35 -50 / 136 -174 / 330 - 400 / 403 - 470 / 450 - 527
Channel Capacity 16 Channels
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 
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
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)		 Sensitivity (12dB SINAD)EIA Intermodulation(EIA) Full bandsplit .25µV 70dB
Adjacent Channel Selectivity ---------------
Spurious Rejection
Rated Audio 
Audio Distortion		 60dB @ 12.5kHz/70dB @ 25kHz
Hum and Noise 70dB 500 mW 3%
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%

Details:

Motorola handheld wireless two-way VHF radio systems, also called walky-talky radios, offer maximum mobility, ruggedness, and all-weather operation to allow the users to be instantly connected at the touch of a button, under most demanding conditions and geographies. 

Motorola VHF handheld two-way wireless radio systems are widely used for communication in sectors such as industries, mining, construction, ports, petrochemical refineries, offshore oil rigs and platforms, airline ground operations, public and private security, irrigation projects, infrastructure projects, municipal corporations and public utilities such as electricity boards, gas distribution networks, waste management, emergency services, etc.

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