Overview

SRG3500 Mobile Gateway

When it comes to advanced mobile radio communications, the SRG3500 is hard to beat. This top-of the line radio comes with built-in gateway and repeater functionality. In gateway mode it forms a bridge between the trunked TETRA network and a number of individual hand-helds, giving improved access to the network in areas of poor reception. In repeater mode it acts as a powerful mobile base station for a number of hand-helds in the field, which are operating separately from the TETRA network.

A range of accessories enables the SRG3500 to be mounted in a car or emergency vehicle, on a motorcycle, in a covert vehicle or marine vehicle.

The SRG3500 can be fitted with a GPS module to enable advanced location-based functionality.

Highlights

• Operates as a fully featured mobile radio when not in gateway or repeater mode
• 10 watts maximum power (subject to network regulations) for maximum range. The SRG3500 is the only true 10W gateway available
• Large black and white display that’s simple and easy to read
• Extends trunked TETRA network coverage even in areas with limited reception
• Gives the largest possible range for direct mode operations
• Common interface with all Sepura hand-helds for user familiarity and consistent operation
• Operates with dual, single or no consoles and offers dual data ports and 8 I/O lines for maximum flexibility

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The Swedish Police have selected Sepura's SRG3500 Mobile Gateway to provide both direct and trunked-mode communication in rural and other areas where network coverage may be unreliable. Users will be able to seamlessly switch between modes, allowing communications to be maintained with the control room and colleagues, regardless of the local environment.

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Specifications

TETRA Specifications

• EN 300 392 V+D Air Interface
• EN 300 394 V+D Conformance testing

Size and Weight

• Transceiver 980g ? 180mm W x 54mm H x 110mm D
• Console 200g ? 187mm W x 64mm H x 30mm D

Frequency Bands

• 300 - 344MHz*
• 350 - 372MHz*
• 380 - 430MHz
• 440 - 473MHz
• 806/825 paired with 851/870MHz

          *Further information available on request

The Transceiver supports the full bandwidth and allows Trunked (TMO) and Direct (DMO) mode frequency pairs to be allocated anywhere in the frequency band.

Power

• 10W RF Power output (Class 2).
• RF power adjustable in steps of 5dB.
• Adaptive Power Control supported.

GPS Receiver - Optional

• 12 channel GPS receiver
• -163 dBW acquisition sensitivity

Security

• Fully integrated E2EE hardware solution, enabled via a software upgrade
• Multi-Algorithm support
• Optional integral SIM connector for Smart Card solution

Audio

• Rated Audio Output - 8 W @ 1kHz into 4 Ohms

Environmental

• Dust and water protection to IEC529 IP54
• ETS 300 019 -2-5 drop, vibration and humidity
• Storage Temp -40?C to +85?C
• Operating Temp -30?C to +70?C

Power Supply

• 10.8 to 15.6V DC, typical 13.8V DC

Console Display

• 128 x 64 pixels LCD display with coloured backlights
• Up to 6 lines of 24 characters displayed

Gateway Services

• Group voice calls from DMO to TMO.
• Group voice calls from TMO to DMO.
• Emergency group call from DMO to TMO.
• Emergency group call from TMO to DMO.
• Transmission of Gateway Presence signal.
• Monitoring for other Gateways.
• Pre-emption (in either direction) of existing call.
• SDS messaging in either direction.

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Features and benefits

Easy to use

• Console is equipped with the same familiar interface as Sepura handhelds, including large text mode and multi-language support
• Clear 6-line greyscale display with white backlight makes information easy to read; clear visual indications of call status is delivered through tri-colour LED
• Navi knob for quick menu navigation; rapid access to features through a full keypad with 14 programmable soft keys

Powerful

• Offers gateway and repeater functionality in addition to full mobile radio capabilities
• 10W gateway functionality for maximum range
• Extends TETRA coverage in gateway mode, linking direct mode and trunked mode coverage for voice, data, location and emergency communications
• Increases the useful range of direct-mode talk groups in repeater mode

Flexible

• Match operational requirements with the widest choice of simultaneous connections:
• Dual console
• Dual data ports
• 8 I/O lines
• Open standard PEI ports
• Can be mounted in vehicles, covert vehicles, motorcycles, marine vehicles and on desks

Secure

• Equipped with voice and data security to increase personal safety, including:
• Dedicated emergency button to summon help, which works with GPS (when fitted) to transmit location information
• End-to-end encryption of voice and data traffic to reduce the risk of interception, protected by tamper-proof processors
• Optional integral SIM connector for Smart Card solution

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