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2+4 Narrowband & Broadband Digital Trunking Solution

professional innovation efficient cooperation

In addition to the basic voice and data services, the 2+4 solution provides converged applications, such as visual dispatching and commanding, multimedia trunking,

high-definition mobile video transmission, and mobile office. It integrates the basic voice service, big data, and video services, mobile office, enables flexible video

applications, changes the information collection mode from fixed to mobile, and upgrades the dispatch system from the isolated one to the interconnected one, thus

substantially improving the work efficiency of private network users.

The "2+4" digital trunking solution complies with the DMR and LTE standards, and follows the design principles of safe and reliable network architecture, open

interfaces, and smooth evolution. It implements DMR and LTE converged dispatching, converged services, converged networking, and converged terminals.

DMR and LTE Converged Networking

Provides coordinated dispatching and unified command, DMR/ LTE

Trunking hybrid grouping and hybrid calls on the basis of DMR and LTE

converged network.

Enhanced coverage

The DMR system provides seamless coverage in urban areas to ensure

the communication services and emergency handling. The LTE system

fully supports Mobile Policing, Video Transmission, and Visual Command in

important places and key passes.

Wireless Broadband

The LTE provides a data rate of up to 100Mbps in the downlink and

50Mbps in the uplink. The signaling delay is shorter than 100ms, which

ensures the fast issuing of commands. The LTE is a perfect solution to the

problem of last-mile broadband data access.

As challenges are getting increasingly complicated, it is a general trend to introduce broadband technologies to satisfy the requirements of professional users in the

public safety, transportation, energy and public utility.

Customer Needs

2+4 Solution

Wireless Trunking Onscreen Dispatch Command Location On-site Alarm Communication Emergency Communication

Wireless Transmission SCADA Mobile Video Streaming Two-way Video Transmission HD Image Transmission

Mobile Police Mobile Office Mobile Law Enforcement Intelligence collection Data Inquiry

Safe and Reliable

Provides End-to-end encryption and easy access to policing information

system.

The 2+4 system has been deployed world-wide commercially, satisfying the

requirements of interoperability with other systems.

Smooth evolution

Based on SDR platform, the system is analog and digital compatible,

and can smoothly evolve towards LTE, hence protecting the customer's

investment.

Leading-edge Technology

The system supports Multi-carrier modulation technique, a single unit

can support up to 4 RF carriers; digital intermediate frequency technique

combined with an external RF unit, community covering distances up to

double than before. DPD + Doherty industry-leading technologies improve

amplifier efficiency resulting in 80% less power consumption.

Services

one-stop solution to the multimedia dispatching, video conference, video

Transmission, and positioning services; unified access to data services.

Core Network

The LTE trunking system shares the core network with the DMR system,

thus realizing seamless convergence.

Access Network

DMR and LTE base stations are deployed flexibly in hybrid mode. The

DMR coverage and LTE coverage can be determined as required, which

improves the utilization rate of the investment.

Terminal

PTT interworking and data interconnection between multiple types

of terminals are supported to realize multi-terminal collaboration. The

innovative DMR/LTE dual mode terminal can integrate functions of multiple

devices, including trunking, mobile police communication system, and law

enforcement recorder

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and

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ergency com

munication

Law enforcem

entITS

DMR

DMR

PIS Switching center

Public network Dual mode

Gateway

Multimode

Converged Services

Video Multimedia Dispatching

Backup ETC GatewayETC

ECV LTE DMR/LTE DMRMPT/DMR/TETRA

Video Transmission

Application Server

Storage Server

Converged Core Network

Converged Access Network

Converged Terminal DMR LTE LTE Dual-mode Mobile Radio

PTT Voice

Data Exchange

Highlights

“2+4”End-to-end Products

Emergency Command Vehicle Portable Emergency Command System

Core Networks Base Stations

Unified CN BBU

ZXTS eTC1000 ZXTS eTC500

ZXTS eTC200 ZXTS eTC10 DMR RRU

LTE RRU

GD100USB Dongle GP500

IndoorCPE OutdoorCPE

Featuring small size, light weight, rich service, and high integration,

ZTE Portable Emergency Command System supports video/voice

trunking call (PTT), HD video Transmission, video conference,

video distribution, image upload and distribution.

The system is widely used in the scenes of fire, earthquake and

emergency response to provide a multimedia command and

dispatching platform.

The Emergency Command Vehicle of ZTE integrates multi-mode communications

system to build a powerful command and dispatching platform, which supports

abundant multimedia services.

The system is widely used in the scenes of fire, earthquake, major events and other

occasions where a temporary emergency dispatching platform needs to be set up

rapidly.

Terminals

IPC CPE

GH880

GH650

IP

VSAT MW

Analogue Trunking、

Transmission System2G/3G/4G、

PSTNTransmission System

Core network

LTE BBU DMR BBU

LTE RRU

Communications System Antenna-feeder System Interconnection

Storage Server

Video Transmission

Video Conferencing

Transmission System

Satellite/Fiber/E1/IP

DMR RRU

professional innovation efficient cooperation

Manpacked

Portable Mast Portable Case Portable Generator

Dispatch Console

wired

3G/4G

IP Transmission

DomeCamera

PM790ZXSDR B8200 ZXSDR B8300 ZXIMCU Pt01

ZXSDR R8968 ZXSDR R8972(E)

ZXSDR R8881

GH880 GH650

PH790

GM655

PH700

+86-755-26774767 www.caltta.com

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