Motorola Professional Radio Gp328 Users Manual

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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 To Use, Lightweight Yet Rugged To Suit Your
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 :
Channel Capacity:
Power Supply:
DIMENSIONS:
With Standard High Capacity NiMH Battery:
With Ultra High Capacity NiMH Battery:
With NiCD Battery:
With LiIon Battery:

29 - 42 / 35 -50 / 136 -174 / 330 - 400 / 403 - 470 / 450 - 527
16 Channels
Provided through rechargeable battery - 7.5V
H
x
W
x
137mm
x
57.5mm
x
137mm
x
57.5mm
x
137mm
x
57.5mm
x
137mm
x
57.5mm
x

D
37.5mm
40.0mm
40.0mm
33.0mm

(Radio footprint height excluding knobs)

WEIGHT:
With Standard High Capacity NiMH Battery:
With Ultra High Capacity NiMH Battery:
With NiCD Battery:
With LiIon Battery:
AVERAGE BATTERY LIFE @ 5/5/90 CYCLE
With Standard High Capacity NiMH Battery:
With Ultra High Capacity NiMH Battery:
With NiCD Battery:
With LiIon Battery:
Sealing:
Shock and Vibration:

420 gm
500 gm
450 gm
350 gm
Low Power
High Power
11 hours
8 hours
14 hours
11 hours
12 hours
9 hours
11 hours
8 hours
Withstands rain testing per MIL-STD 810 C / D / E and IP54
Protection provided via impact resistant housing exceeding
MIL-STD 810 C / D / E and TIA/EIA 603
Protection provided via environment resistant housing exceeding
MIL-STD 810 C / D / E and TIA/EIA 603

Dust and Humidity:

TRANSMITTER
SPECIFICATION
*Frequency
Frequency separation
Channel spacing
Freq Stability:(-30oC to 60oC,+25oCRef.)
Power
Modulation limiting

FM Hum & Noise
Conducted/Radiated Emission
Modulation FCC Type
Audio Response ( from 6 dB/
octave pre-emphasis 300-3000Hz)
Audio Distortion

Low Band
29 - 42 / 35 - 50

VHF/UHF
136 - 174/330 - 400/
403 - 470/450 - 527
Full bandsplit
12.5/20/25kHz

+/- 0.0010%
6W

+/- 0.00025%
5W – 136-174
4W – 403-470
±2.5 @ 12.5kHz
±4.0 @ 20kHhz
±5.0 @ 25kHz

±2.5 @ 12.5kHz
±5.0 @ 20kHz/25kHz

-40dB
-36dBm<1GHz/-30dBm>1GHz
12.5 kHz 11K0F3E / 25 kHz 16K0F3E
+1 to -3dB

RECEIVER
SPECIFICATION
*Frequency
Frequency separation
Sensitivity (12dB SINAD)EIA
Intermodulation(EIA)
Adjacent Channel Selectivity
Spurious Rejection
Rated Audio
Audio Distortion
Hum and Noise
Audio Response (300-3000Hz)
Conducted Spurious Emission

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.

Low Band
29 -42 / 35 -50

VHF/UHF
136 -174/330 - 400/
403 - 470/450 -527
Full bandsplit
.25µV
70dB
60dB @ 12.5kHz/70dB @ 25kHz
70dB
500 mW
3%
-45dB @ 12.5kHz, -50dB @ 25kHz
+1 to -3dB
-57dBm < 1Ghz/-47dBm > 1Ghz/FCC Part 15

Portable Military Standards 810 C, D, & E
810C
Methods
500.1
500.1
502.1
503.1
505.1
506.1
507.1
509.1
510.1
514.2
516.2

Applicable MIL-STD
Low Pressure
High Temp
Low Temp
Temp. Shock
Solar Radiation
Rain
Humidity
Salt Fog
Dust
Vibration
Shock

Light Weight Head Set
AZRMN4018

NiMH Battery &
Belt Clip

Carry Case
HLN9701

PMNN4008

810D
Methods
500.2
501.2
502.2
503.2
505.2
506.2
507.2
509.2
510.2
514.3
516.3

Procedures
1
1,2
1
1
1
1, 2
2
1
1
8, 10
1, 2, 5

Procedures
2
1,2
1, 2
1
1
1, 2
2, 3
1
1
1
1, 4

810E
Methods
500.3
501.3
502.3
503.3
505.3
506.3
507.3
509.3
510.3
514.4
516.4

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.
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.

Motorola: Reliability & Quality
MIL-STD 810C, D AND E

uri

ng & De

s

ISO

uality
Sy
nQ

Manu

ct

ig

fa

Stamp of approval from the U.S. Military
for use in rough environments.

s

PMMN4002

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.

et

PMTN4025

ACCELERATED LIFE
TESTING

• Me

Remote Speaker
Microphone

em

PMTN4028

Rapid-rate Desktop
Charger

st

Multi-unit Charger

ISO 9001 STANDARD
Compliance with ISO 9001 Standard - an
international quality system assurance on
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

Procedures
2
1,2
1,2
1
1
1, 2
2, 3
1
1
1
1, 4



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