THE POWER TOOL FOR CONTACT & CONTROL
GP328
PORTABLE RADIO
The GP328 Professional Radio :
A Practical Radio
The GP328 is the two-way radio solution for professionals who need to stay in contact but don’t require
extra features. This practical radio can easily increase productivity by keeping users communicating,
yet streamlines their radio use—allowing them to concentrate on the job at hand. With the GP328,
communication couldn’t be easier.
Easy T o Use, Lightweight Yet Rugged To Suit Y our
Every Need
Ideal when you need:
• Wide range coverage within the workplace.
• Simple-to-operate two-way radio.
• To contact people who are mobile.
• To make several calls to repeat the same
message.
• To manage a facility or more than one building.
GP328 Key Features And Benefits
X-PAND™ Audio Technology
Motorola’s special voice compression and
expansion technology called X-PAND™ enables
crisper, clearer and stronger audio quality,
allowing you to keep communicating in any noisy
environment.
16 Channels
Maximum of 16 channels to organise work groups
with ease and efficiency.
Tone Tagging
Assign 8 different ringing tones to 8 specific
users/talkgroups making audio caller identification
to these 8 groups possible.
LED Battery Gauge
Tri-colour LED to indicate battery strength,
avoiding failed communication with early warning
on low battery strength.
Emergency Siren
Easy-to-access, one-touch button with piercing
alarm to seek help in critical situation.
Switchable RF Power Level
Optimize coverage and conserve battery
consumption.
Field Retrofit Option Boards
Easy to install, affordable add-on functionality
whenever your needs arise. Option Boards are
available for:
i) DTMF Decode for in-coming calls capability.
ii) Voice Storage for recording and playing back
voice messages.
Programmable Channel Spacing Of 12.5/25 kHz
Mode
Flexible and easy migration of channel spacing
requirements in any situation.
Repeater/Talkaround Enable/Disable
Freedom to communicate via a repeater for wide
area coverage; or bypass a repeater and talk
directly to another unit for easy local unit-to-unit
communications.
Internal Voice Operated Transmission (VOX)
For hands-free operation, activate this option by
speaking with the optional headsets.
Tight/Normal Squelch
Flexibility to switch to tight squelch to filter out
excessive noise; or, normal squelch for normal
coverage.
Battery Options
Flexible choice of batteries:
– NiCD Battery
– High Capacity NiMH Battery
– Ultra High Capacity NiMH Battery
– Lithium Ion Battery
Enhanced Signalling Features
The GP328 two-way radio comes in these three
choices of Signalling protocol:
I) MDC1200:
• PTT-ID • Call Alert
• Voice SelectiveCall • Radio Check
• Selective Radio Inhibit • Emergency
II) Quik Call II:
• Call Alert • Voice Selective
Call
III) Dual Tone Multiple Frequency(DTMF)Signalling
Encode
GP328 optional retrofit keypad model
supports DTMF encode features.
Other GP328 Features
• Channel Scan
• Time-Out-Timer
• PL / DPL
• Busy Channel Lockout
Increase
Productivity By
Keeping Users
In Contact
GP328 Specifications
GENERAL
*Frequency : 29 - 42 / 35 -50 / 136 -174 / 330 - 400 / 403 - 470 / 450 - 527
Channel Capacity: 16 Channels
Power Supply: Provided through rechargeable battery - 7.5V
DIMENSIONS: H x W x D
With Standard High Capacity NiMH Battery: 137mm x 57.5mm x 37.5mm
With Ultra High Capacity NiMH Battery: 137mm x 57.5mm x 40.0mm
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)
WEIGHT:
With Standard High Capacity NiMH Battery: 420 gm
With Ultra High Capacity NiMH Battery: 500 gm
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 Ultra High Capacity NiMH Battery: 14 hours 11 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
Dust and Humidity: Protection provided via environment resistant housing exceeding
MIL-STD 810 C / D / E and TIA/EIA 603
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:(-30
Power 6W 5W – 136-174
Modulation limiting ±2.5 @ 12.5kHz ±2.5 @ 12.5kHz
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%
* 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.
o
C to 60oC,+25oCRef.) +/- 0.0010% +/- 0.00025%
4W – 403-470
±5.0 @ 20kHz/25kHz ±4.0 @ 20kHhz
±5.0 @ 25kHz
RECEIVER
SPECIFICATION Low Band VHF/UHF
*Frequency 29 -42 / 35 -50 136 -174/330 - 400/
Frequency separation Full bandsplit
Sensitivity (12dB SINAD)EIA .25µV
Intermodulation(EIA) 70dB
Adjacent Channel Selectivity 60dB @ 12.5kHz/70dB @ 25kHz
Spurious Rejection 70dB
Rated Audio 500 mW
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
403 - 470/450 -527
Portable Military Standards 810 C, D, & E
810C 810D 810E
Applicable MIL-STD Methods Procedures Methods Procedures Methods Procedures
Low Pressure 500.1 1 500.2 2 500.3 2
High Temp 500.1 1,2 501.2 1,2 501.3 1,2
Low Temp 502.1 1 502.2 1, 2 502.3 1,2
Temp. Shock 503.1 1 503.2 1 503.3 1
Solar Radiation 505.1 1 505.2 1 505.3 1
Rain 506.1 1, 2 506.2 1, 2 506.3 1, 2
Humidity 507.1 2 507.2 2, 3 507.3 2, 3
Salt Fog 509.1 1 509.2 1 509.3 1
Dust 510.1 1 510.2 1 510.3 1
Vibration 514.2 8, 10 514.3 1 514.4 1
Shock 516.2 1, 2, 5 516.3 1, 4 516.4 1, 4
Enhance Your Radio’s Capabilities
A comprehensive range of accessories is available so
that the radios can be customised to suit your needs.
Adding the proper headsets, microphones, batteries,
chargers or carry cases can enhance your productivity.
Light Weight Head Set
AZRMN4018
NiMH Battery &
Belt Clip
PMNN4008
Carry Case
HLN9701
Motorola accessories are built with the highest quality
standards and are specially engineered to assure
maximum performance of your radio, no matter what
profession you’re in.
Multi-unit Charger
PMTN4028
Rapid-rate Desktop
Charger
PMTN4025
Remote Speaker
Microphone
PMMN4002
Motorola: Reliability & Quality
ACCELERATED LIFE
TESTING
Stringent Motorola’s
Accelerated Life Testing
simulating five years of
hard use in real life, EIA
RS-316B in Shock,
Vibration, Dust, Humidity,
IP54 for Sealing.
MIL-STD 810C, D AND E
Stamp of approval from the U.S. Military
for use in rough environments.
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international quality system assurance on
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design, development, production,
installation and servicing of a product.
Visit us at www.motorola.com/cgiss/AP
MOTOROLA and the stylized M logo are trademarks of Motorola, Inc.
© Motorola, lnc. 2002
AC3-04-004Rev.4
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