NOVA PA/GA
NOVA PA/GA EQUIPMENT
For Hazardous and Non-Hazardous Environments
Power Generation
Oil and Gas
Petrochemical
Chemical
Water/Waste Water Treatment
Steel and Heavy Metals
Manufacturing
Pulp and Paper
Airport, Transit Stations
Amusement Theme Parks, and Tourist Sites
Office Complexes and Shopping Centers
GAI-TRONICS®
A Hubbell Company
NOVA PA/GA EQUIPMENT
For Hazardous and Non-Hazardous Environments
The NOVA Public Address and General Alarm system utilizes
microprocessor technology and cutting edge digital voice techniques
to provide superior performance and reliability for all types of
facilities. From remote system monitoring, to complete system health
checks, to individually addressable speakers, NOVA's innovative
features meet customer requirements in a wide range of applications.

Fully networkable system offers almost limitless audio
distribution capability

Remote network interface reduces costs by allowing
remote maintenance and system reconfiguration.

Fault diagnosis / alarm reporting are shown on the access
panel to inform operator of system problems immediately.

Fully configurable messages and alarm tones offer practically
unlimited capacity of expansion.

With GAI-Tronics patented Smart Modules, the system
monitors troubleshooting of the individual speakers, line
transformers, and voice-coils with no additional cabling
required, which significantly reduces maintenance costs.

Large capacity CobraNet® digital audio matrix accommodates
virtually any size system.
System Capabilities
The NOVA PA/GA System offers a wide range of features and accommodates
the largest of system requirements. NOVA offers:

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Up to 32 duplicated (A/B) nodes in a single network
Up to 64 audio inputs such as Access Panels, telephone or radio systems
Up to 16 simultaneous audio paths per network
Up to 128 paging zones
256 Inputs / 320 Outputs for external system interface such as fire and gas detection,
process monitoring, pullboxes, sounders, beacons, and others.
Individually controlled and monitored speakers
24 Hours of Message Memory
64,000+ Intelligent Devices in a Network
Amplifier back-up via hot standby, redundancy of central equipment, or complete system duplication.
NOVA PA/GA EQUIPMENT
For Hazardous and Non-Hazardous Environments
General System Specifications
The PA/GA system can be divided into one or more
zones which can be accessed independently for
announcement or alarm broadcasts. Broadcasts
are transmitted through loudspeakers installed
throughout the facility. The system permits calls
between it and any existing public address
system. The system is modular in design and is
easily expanded to include remote amplifiers
and/or combinations of amplifiers. The area of
coverage will be such that calls will be clearly
audible in the paged operating areas and their
surrounding areas.
Loudspeakers and/or beacon circuits support
paging zones where one or more loudspeaker
circuits can be grouped into a zone. Each loudspeaker or beacon circuit is connected to the
central equipment for amplification and control /
monitor functions. The system can interface to
other systems such as telephone, radio, or other
paging/intercom systems. Up to 64 individually
prioritized audio interfaces are supported. Additional interfaces support external alarm/monitor
systems; NOVA can activate external system
alarms and, accept external system alarm/audio
inputs initiating both alarms and beacon/strobes.
Touch screen desktop or rack access panels allow
voice announcements and alarm control operations. Announcements can be configured to
broadcast in designated zones, or a zone selection
feature enables users to direct announcements to
selected zones. Access panels are connected to
the central equipment and assigned an access
priority for announcements, thereby ensuring that
the panel with the highest authority level takes
precedence over lower level panels. Alarms are
likewise given a broadcast priority that gives the
most critical alarm precedence.
NOVA PA/GA EQUIPMENT
NOVA Central Processing Unit

10.4” VGA colour TFT display installed in a 19” 6U panel

TCP/IP network layer, with standard Ethernet interface for system control

Two RS232 and three USB 2.0 ports for interconnection of compatible devices

True redundant capability

Rack mount sliding keyboard

Diskless and fanless unit

Industrial grade components

Audio matrix and I/O board management

TCP/IP Ethernet connection to other systems

Controls broadcast of alarm tones and speech messages

Upgrade, configuration, adjustment of whole system through built-in user interface
Technical Specifications
Construction: 19” - 6U CPU plus 1U Keyboard
Dimensions: 482 x 267 x 150 mm (19 x 10½ x 6 inches);
Keyboard: 488 x 45 x 375 mm
Power Supply: 24 VDC
Power Consumption: 40W
Operating Temperature: 0° / 50°C (32° / 122° F)
Storage Temperature: -20° / 70°C (-4° / 158° F)
Minimum Configuration
Processor: Intel Celeron 600 MHz min.
Storage Device: Slot for Compact Flash, 2048MB
Keyboard: 104 keys, weatherproof IP65
Ports: 2 RS232 Serial ports
3 USB ports
2 10/100 FAST Ethernet port
1 DVI Video interface
1 PS/2-keyboard/mouse
2 PCI slots
Operating System: Linux
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NOVA PA/GA EQUIPMENT
Class D Audio Power Amplifier

Efficiency 80% (240VAC 100V Line)

LCD Status Indication

Comprehensive fault monitoring

User-friendly Set-up & Commissioning

Class D Operation

Dual Channel (300W per) split amp

600W 2U Modular Design
At the heart of all GAI-Tronics’ Public Address Systems is the D600i Class D Power Amplifier
(2x300W). The D600i is designed for performance in a range of applications, from continuous
300W RMS rated outputs for Alarm Systems to high quality music reproduction.
Technical Specifications
Electrical
Output Power: 2x300W
Line output voltage: 70V or 100V rms (or client spec)
Input sensitivity: 0cBm (0.775V rms) for rated output
Frequency response: 50Hz - 18kHz (-3dB points)
Total harmonic distortion: <2% at 1kHz, full load
Signal to Noise ratio: -60dB (A)
Operating Voltage Options: 48V DC, Mains 120V or 230V AC
Operating Temperature: -20°C to +50°C
Efficiency: 80% (typ)
Mechanical
Mounting: 19” Standard Rack (Shelf or Slider)
Material: Welded Steel Tray with Vented Lid
Finish: Black Textured Stove Enamel
Output Audio Connectors: WAGO 5 way connector
AC Power: IEEE Standard, 3 pin
DC Power: Molex 2 way 100 mm Mini Fit connector
Audio / Data Comms (RS485): IDC
Weight: 24Kg max
Dimensions: 390D x 483W x 88Hmm, DIN standard 2U
Approvals
This mark indicates compliance with the following directives:
Radio & Telecommunications Terminal Equipment Directive 1999/5/EC (R&TTE)
For more information on this product please visit: www.gai-tronics.com/literature/uk/B192.pdf
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NOVA PA/GA EQUIPMENT
NOVA Audio Processor

Fully digital cross point audio matrix

CE & UL approved

CD quality audio signaling

Graphic equalizer

Standard 19” 2U-rack suitable for
any 19” cabinet
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Built-in diagnostics

Parametric equalizer
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Networking capability up to
64 devices
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Feedback suppressor
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Easy upgrade and expansion
Filters: HPF, LPF, high shelf, low shelf,
all pass

Audio over Ethernet by Cobranet
technology
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Mixers: standard, automatic, combiners

Controls: levels, invert, mute, preset, logic

PABX interface module

Generators: tone, pink-noise, white-noise

Up to 24 input/outputs

Programmable delays: 0 to 2Sec
The Audio Processor AudiaFLEX offers a unique modular design. The configuration of audio
matrix allows complete flexibility in system design, including full redundancy. Audio input and
output are analog with internal 24bit A/D & D/A converters. All internal processing is DSP, with
Ethernet communication for software control and DSP distribution. A multi-unit network
application is available by CobraNet®, transporting digital audio over fast Ethernet.
Technical Specifications
Frequency Response: 20Hz ~ 20kHz @ +4dBu
THD (20Hz ~ 20kHz @ +4dBu):
• Line level < 0.006%
• Mic level < 0.04%
Equiv. Input Noise (20Hz ~ 20kHz, 66dB, 150Ω): -125dBu
Dynamic Range (20Hz ~ 20kHz, 0dB): > 107 dB
Options:
Maximum gain input: 66dB
THD (channel to channel @ 1kHz):
• Line level < -80dB
• Mic level < -75dB
 Audio Input Module (2 channel)
 Audio Output Module (2 channel)
 PABX module (2 channel)
 5W Amplifier (2 channel)
 VoIP Phone Module (2 channel)
Output Impedance (balanced): 200Ω
Input Impedance (mic/line balanced): 8kΩ
Maximum Output (balanced): +24dBu
Maximum Input (mic/line): +24dBu
Note:
The standard module includes 1 Audio processor
(Base Unit) , 2 Input Module (4 channels), 4 Output
Module (8 channels)
Phantom power: +48VDC (7mA/input)
Input gain rate: 0dB - +66dB
Sampling rate: 48kHz
A/D – D/A converters: 24-bit
Power consumption (100-240VAC 50/60Hz): 150W
Dimensions (H x W x D): 89 x 483 x 283mm 3½ x 19 x 11 inches
Weight (fully loaded): 6.9 kg/15.25lbs
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NOVA PA/GA EQUIPMENT
NOVA Input/Output Module

Connection to standard field bus (Modbus®)

Expansibility up to approximately 3,000 I/O’s

Digital & Analog Inputs
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Digital & Analog Outputs

Real Time Clock
The Input and Output signals of the Nova PA/GA system are managed by a Programmable Logic
Controller (PLC). The PLC is composed of a Central Processing Unit (CPU) Module and Additional
I/O Modules (local or remote). Up to 250 I/O Modules can be connected over a three wire Bus to
up to 3000 I/O connections. Communication between PLC and CPU is via Modbus® protocol.
The PLC CPU can manage an extensive list of remote I/O modules.
The PLC includes as a minimum, one (1) Ethernet port, one (1) RS 232 serial link and two (2) USB
ports.
The I/O modules can also be installed separately from the CPU over the three wire bus, to control
I/O modules in remote amplifier cabinets, to control the local equipment and/or temperature.
Technical Specifications
Memory:
• User Memory - Compact: 100 KB SRAM
• Program Memory - Compact: 1MB Flash FPROM
Back-up data: On Flash EPROM
Digital Inputs:
• Voltage: 24 Vdc ±15%
• Input current @ 24 Vdc: 3.75 mA (Typ)
• Switching threshold: Low < 5Vdc; High > 15 Vdc
• Input Resistance 6.4 KΩ
• Isolation Voltage: 500V
Output:
• Transistor: 24 Vdc ±15%@ 0.5A or 2A
• Relay: 110 Vdc / 115Vac - 0.5A
• Rated Voltage: 30Vdc / 115Vac
• Max. current per contact 1.0A @ 30 Vdc / 0.5A @ 115 Vac
± 10V Analog Inputs: Resolution 12 bit
Analog Inputs for PT100 / PT1000 Temperature Sensors: Resolution 16 bit; temp. range: -200°C ÷ 850°C
Power Consumption: 24 Vdc / 60W max.
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NOVA PA/GA EQUIPMENT
NOVA Engineers Test Panel
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Handheld Push-To-Talk microphone
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Provides easy user interface for messages broadcast
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Allows for audio monitoring from each device for broadcast signal
The Engineer’s Test Panel is used in conjunction with the NOVA CPU to provide
complete system monitoring from a single, central location.
Basic panel configuration includes a handheld Push-to-Talk microphone, Tick-Tone
push-button for speaker test and red fault lamp.
An internal loudspeaker with a volume control multiple broadcast monitoring is
available on request.
To prevent unauthorized
access to the panel, a rotary
switch with a key is also
available as an option.
Technical Specifications
Audio Output: Balanced, 600 Ω, 0 to 6 dBm output signal
Microphone Preamplifier: Built-in Audio Processor
Loudspeaker: (on request)
Output Power: 5 W
Dimensions: 2U 19” rack x 330 mm/ 11inches deep
Weight: 3 kg (6½ lbs)
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NOVA PA/GA EQUIPMENT
NOVA Access Panel Units
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Ergonomic, rugged and compact design
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Easy to use Graphical User Interface
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Industrial grade Pentium™ class PC
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One access panel can control a networked audio system.

Desktop or rack versions with touch-screen or mouse facility

15”, 17” or 19” LCD-TFT color display,
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Up to 256 soft-keys and soft-lamps, arranged into up to 30 pages
The NOVA touch screen access panels employ industrial grade Pentium™ class PC’s, and rack-mount, or desk-top
LCD-TFT displays for convenience and maximum performance; are simple to install and have intuitive easy-to-use
graphic interfaces. NOVA access panels provide zone selection, broadcast command and alarm control as standard.
The touch screen display layout is fully configurable, with the unit’s software managing up to 256 key and indicator
functions. Connection is via CAT5 cable for data with a shielded twisted pairs for audio. An optional Ethernet modem
available for distances over 90m.
Technical Specifications
Audio
• Audio Set: Electret or dynamic goose-neck microphone and microphone preamplifier
• Output: 600 Ω, -9 to +6 dBm
Microphone Preamplifier
• Input impedance: 10 KΩ @ 1 kHz
• Output level: -9 to +6 dBm
• Preamplifier gain: up to +40 dB
(adjustable)
• Bandwidth: 300 to 15kHz (-3 dB)
• Signal to noise ratio: > 60 dB
• Distortion (THD): < 1% @ 0dB
Controller
Processor: Intel® Celeron 600 MHz Min.
Mass Storage Memory: Flash disk 1 GByte min.
Ports: 2 RS232 serial ports
3 USB 2.0 ports
2 10/100 FAST Ethernet ports
1 Video interface (SVGA/DVI)
Power Supply: 85 – 264 VAC; 50/60 Hz
Power Consumption: 150 W
Operating Temperature: 0° C to +40°C / 32°F to + 104°F
Storage Temperature: -20° C to +60°C / -4°F to + 140°F
Dimensions:
Flush Type: (mm)
Desktop Type: (mm)
Monitor (17”): 391(W) x 366(H) x 203(D)
Monitor (15”) including PC: 435(W) x 330(H) x 148(D)
Junction Box (including PC):
Junction Box: 355(W) x 237(H) x 185(D)
350(W) x 404(H) x 275(D)
Microphone: 116(W) x 440(H) x 200(D)
Microphone: 116(W) x 440(H) x 200(D)
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NOVA PA/GA EQUIPMENT
NOVA OLM (On-Line Monitoring)

Full system monitoring
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Easy
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Event Log
Nova On-Line Monitoring (OLM) is a SCADA based
system with software loaded at each node. Graphical
User Interface based screens are hierarchically
organized to two (2) levels, the first level showing the
node map, the second level depicting device detail
within the node such as amplifiers and audio matrix.
System events are stored in a database logging start
and end, date and time.
Menus may be filtered to provide custom specific
information to the user
The three levels of password protected
access are:
-
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Administrator
Maintenance: can not do any system
configuration
Normal user (default at power-on
and without password) for system
status visualization only.
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NOVA PA/GA EQUIPMENT
Line Integrity Module (LIM)
Monitors up to eight (8) speaker lines for:

Integrity
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Earth/Ground Leakage

Short Circuit

Open Circuit
The Line Integrity Module (LIM) consists of two circuit boards, the LIM Speaker Line Termination
Board and the LIM Controller Board, connected by a ribbon cable and housed within the NOVA
central cabinet.
The LIM monitors speaker line integrity by measuring the resistance of up to 8 speaker loops and
reports changes of more than 20% in loop resistance.
Test for leakage to earth is conducted by applying voltage between the line loop and earth
ground and monitoring the current drain to determine leakage to earth.
Within the NOVA system, the LIM communicates alarm status with the system via RS485. Under
control the test interval and monitoring parameters may be remotely controlled by the NOVA
CPU.
Technical Specifications
Power Input: 24 V dc +/-20% @ 200 mA maximum
Physical Size:
• Line termination: 101 W × 381 L × 101 D mm
• Controller: 76 W × 381 L × 101 D mm
Operating Environment: 0° C to 50° C @ 95 % humidity, non-condensing
Inputs: Eight (8)100/70 V audio line pass-through:1200 w max/channel
Outputs: Eight (8) isolated 220 V ac120 mA ac
System Connection: RS485 I/O non-isolated, via 8-pin modular jack
Visual Indication: 11 LEDs for programming and line-fault determination
Line Test Resistance Range: 1 to 40 ohms
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NOVA PA/GA EQUIPMENT
Automatic Level Control (ALC)

Ambient level based, real time level adjustment of paging audio to any area or zone

Automatic bypass feature for emergency alarms and/or messages
Automatic level Control (ALC) is used in the NOVA public address systems to automatically adjust the
volume of paging and other audible media to overcome varying ambient noise levels. Customer
programmable levels vary the paging audio to combat ambient noise by matching amounts.
The ALC Kit includes one Control Module mounted within the NOVA central system, and one Remote
Module which is connected to a dummy speaker or other microphone device for sensing ambient noise.
In a typical system the ALC Control Module is located in-line between the low-level audio path switching
equipment and associated power amplifier. The Control Module provides line power to the ALC Remote
Module which is located within the paging zone. The ambient noise sample is transmitted to the Control
Module to be measured and used to modify the level of the audio to the paging amplifier.
The centrally mounted device is equipped with control pushbuttons and indicators to facilitate easy set-up
of the paging volume levels, eliminating the need for test meters and screwdriver adjustment.
During an emergency alarm or page the audio path through the module may be bypassed enabling full
volume audio to be broadcast.
Headphones or an external speaker may be connected to the Central Module to monitor audio in the
remote location.
Technical Specifications
Control Module
Power Input: 24 V dc +/-20% @ 350 mA maximum
Physical Size: 101 W × 355 L × 76 D mm
Operating Environment: 0º C to 50° C @ 95% humidity (non-condensing)
Paging Input Impedance: 100 kΩ, or jumper-selected 600 ohms
Paging Audio I/O Range: -40 dBm to 0 dBmRMS
Paging Adjustment Range: -3 dB to -50 dB minimum
Emergency Paging Level: Direct wire connection from input to output, no attenuation
Paging Audio Distortion: Less than 1% THD
Output Impedance: 100 ohms, electronically balanced
Monitor Amp Output: 250 μW maximum into a standard 30-ohm headset
Remote Module
Phantom Power Input: (Phantom from master) 20 to 30 V dc @ 35 mA maximum
Physical Size: 101 W × 101 L × ~50 D mm
Operating Environment: -40º C to 80° C @ 95% humidity (non-condensing)
Remote Input: Dedicated 8-ohm speaker or dynamic mic, Input is transformer-isolated and protected
against directly-applied signals up to 120 V ac
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NOVA PA/GA EQUIPMENT
Speaker Monitoring Sub-System

Remote individual loudspeaker coil monitoring

Remote individual loudspeaker volume control

No additional power required

No additional cabling required
The NOVA Speaker Monitoring Sub-System comprises three (3) modules;
- Test Tone Generator
- Speaker Master
- Speaker Remote
The Subsystem is incorporated within the NOVA Public Address System cabinet, and communicates
transparently with the system via a common serial interface to the NOVA CPU. The CPU forwards the
system indications to an operator paging console typically located in a control room or office.
NOVA speaker monitoring sub-system is able to provide remote individual loudspeaker monitoring
and remote individual loudspeaker volume control.
Both of these major features are utilize the speakers existing single pair cable (no extra cores required),
without the need of a local power supply and have USA patent (7,197,148).
The Nova Speaker Monitoring Subsystem Modules are either housed in the central cabinet (test tone
generator and speaker master) or in field locations (speaker remote). A complete system can support up
to 20 speaker remote units.
Test Tone Generator
The Test Tone Generator provides inaudible source signal generation and mixing to speaker lines, providing
power to the speaker remote boards. It is controlled from the NOVA CPU via an RS-485 serial link.
Technical Specifications
Power Input: 24 V dc +/-20% @ 100 mA max
Physical Size: 101 W × 1656.5 L × 76 D mm
Operating Environment: 0° C to 50° C
Inputs: Four (4) channels, low level (0 dBm) balanced line
Input Inpedance: 600 ohms or 100 kΩ
System Connection: RS-485 I/O non-isolated
Outputs: Four channels, low level (0 dBm) balanced audio line
Output Impedance: 100 ohms
Tone Output Level: Variable from +6 dBm to –26 dBm
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NOVA PA/GA EQUIPMENT
Speaker Master
The Speaker Master communicates with the NOVA CPU via an RS-485 connection, and transmits speaker
commands to the remote speaker modules in order to control broadcast volume levels and locations.
It receives acknowledgment messages and speaker integrity messages from the remote modules.
The module has four channels, and transmits and receives communication at 245 kHz. Each channel is
connected to the speaker line output of an associated paging zone power amplifier. The module also
controls an associated test tone generator module via a dedicated RS-485 connection.
Technical Specifications
Power Input: 24 V dc +/-20% @ 500 mA maximum
Physical Size: 101 W × 190 L × 76 D mm
Operating Environment: 0° C to 50° C
Speaker Remote
Technical Specifications
The Speaker Remote module may be installed inside each speaker that
is to be remotely adjusted and monitored. The module receives speaker
commands from the speaker master and is powered by the inaudible
source signal generated by the test tone generator. The unit monitors
the current into the associated loudspeaker to perform a health check
of the speaker coil. The transmission of acknowledgments and data
back to the speaker master module is performed only on command
from the master.
The Speaker Remote provides a selection of three available speaker tap
settings. In the two ranges, the jumper P6 selects between the low and
high output ranges. Two models of Speaker Remotes are available to
allow the NOVA system to accept various loudspeakers. The firmware
also provides the assignment of four page groups out of a possible 255
for systems that utilize subzoning.
Technical Specifications
Power Input: 35 Hz tone @ 50 V
Physical Size: 5.0 L × 4.0 H × ~2.5 D inches
Operating Environment: -40º C to 70º C @ 85% humidity (non-condensing)
Model 13317-001: 100V line transformer to 8 ohms @ 25W.
High taps: 25W, 12.5W, 6.25W; Low taps: 6W, 3W, 1.5W
Model 13317-002: 100V line transfomer to 16 ohms @ 30W.
High taps: 30W, 15W, 7.5W; Low taps: 6W, 3W, 1.5W
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For over 60 years, GAI-Tronics has
maintained a clear vision: Communications
are our core purpose and creating highperformance systems provides value to our
customers, now and in the future. Using
cutting-edge technology we continue to set
the industry standard for durability and
reliability, and we address the world's most
challenging communication needs. Our
design experts will work with you to devise
a system that meets your facility’s unique
and specific requirements.
Visit our Website at:
www.gai-tronics.com
GAI-Tronics® - USA (Corporate) Toll Free: 1 (800) 492-1212 Tel: (610) 777-1374 Fax: (610) 796-5954 www.gai-tronics.com
GAI-Tronics® United Kingdom Tel: +44 (0)1283 500500 Fax: +44 (0)1283 500400 www.gai-tronics.co.uk
GAI-Tronics® S.r.l - Italy Tel: +39 02 4588801 Fax: +39 02 93663110 www.gai-tronics.it
GAI-Tronics® - Malaysia Tel: +60-3-8945-4035 / 8945-7348 Fax: +60-3-8945-4675 www.gai-tronics.com
GAI-Tronics® Austdac - Australia Tel: 011-61-28-851-5000 Fax: 011-61-29-899-2490 www.austdac.com.au
Quality Management System Certified by DNV - ISO 9001:2008
Pub 081001 Rev. 4/11/2013
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