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Employee RelationshipManagement

Comstar OPT

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Services Offerred

Radio Services Vsat Services

SCPC Vsat Idirect services

Internet Services Routing/Switching Services

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TYPES OF TRANSMISSION

Data transmission occurs between transmitters and receiversover some transmission medium. Transmission media may beclassified as:

1. Guided2. Unguided

Guided transmission use a physical mean to define its path,Example phone lines twisted pair cable and coaxial cable.

Unguided transmission allows the transmission of data in air orspace, Example microwave, radio and infrared.

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ISM BANDS

902 MHz 928 MHz

26 MHz wide

900 MHzL-Band

(Afar, VIP)2.4 GHzS-Band

83.5 MHz wide

2.4 GHz 2.4835 GHz

5.8 GHzC-Band

125 MHz wideUltima, Osbridge,Ubridge,PS5,Wavkrom (5.7410 GHz 5.8330 GHz )

5.725 GHz 5.85 GHz400 KHz Steps

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Radio Services

Radio services offered by Comstar in twodifferent scenarios.

Point to Point Connectivity Point to Multipoint Connectivity

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Point to Point Connectivity

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Point to Multipoint Connectivity

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Comparison of Afar & VIP

AFAR:

Works on 2.4 GHzMax Throughput is 2.75 MbpsRanges up to 80 km

VIP:

Works on 2.4 GHzMax Throughput is 11 Mbps

Ranges up to 60 km

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Comparison of Ultmia3,Orthogon andOsbridgeUltima3 RD:

Works on 5.8 GHzMax Throughput is 11 MbpsRanges up to 40 km

Ultima3 ER:

Works on 5.8 GHzMax Throughput is 11 Mbps

Ranges up to 75 km

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Comparison of Ultmia3,Orthogon andOsbridgeOrthogon:

Works on 5.8 GHzMax Throughput is 33 MbpsRanges up to 200 km

Osbridge:

Works on 4.9 to 6.1 GHzMax Throughput is 54 Mbps

Ranges up to 40 km

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Radio Services

Ultima3

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Radio Services

Afar

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Radio Services

VIP

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Radio Services

Os bridge

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Vsat Services

Vsat services offered by Comstar SCPC Vsat

Point to Point Point to Multipoint

Idirect

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SCPC Point to Multipoint Connectivity

Satellite Transponder

Central Office

Remote B

Remote A

Remote C

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Idirect

Idirect Technology is a leading high technologycompany producing innovative IP basedwireless products.

Enabler Of Fast, Easy And Efficient BroadbandIP Anywhere

Developers Of the Only Satellite TechnologyBuilt From The Ground up to SupportStandards based IP and Ethernet

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Idirect Features

Application QOS and System QOS Bandwidth Efficient Integrated Security Real time traffic management (Voice, Video) Real Private Networks Access five different satellites from single

hub Efficient coding techniques

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Idirect Hub Products

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Internet Services Comstar provides high speed Internet Services

throughout the Pakistan to customers whoneed more than traditional terrestrial

landlines.

Service options

Internet via Satellite Internet via Radio

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Comstar Internet via Satellite

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Comstar Internet via Radio

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Routing/Switching Services Comstar also provides Routing/Switching services

which are based on networking devices such asrouters, switches.

RouterA router is a device that interconnects two or morecomputer networks, and selectively interchangespackets of data between them.

SwitchA network switch or switching hub is a computernetworking device that connects network segments

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Thank You