Copyright© Root Inc. 1 ROOT INC.

Copyright© Root Inc. 1

ROOT INC.　 Real Object Oriented Technologies

Rural Area Network by Wireless Routers

Root Inc. Hiroshi Mano [email protected]://www.root-hq.com

ITU Telecom Africa

-13 November 2001-



Wireless IP Network Solution

TheInternet

Wireless Intranet



Advantage of IP NetworkWhy IP ? Multi Media applications such as VoIP,

TeleEducation, Telemedicine. Sharing cost of infrastructure. Interoperability to The Internet. IP routing expands cover area.

Telephony

NFM

Broadcasting

WFM

Data

QPSK

IP

Telephony Broadcasting Data

PSN TV/Radio Data N

NFM WFM QPSK



Wireless IP Network Simple install Line of site communication

5km/6dBi : 30km/24dBi

Low power consumption 8w/OD 6W/ID

Embedded Unix OS

Services: DHCP,SNMP

Dynamic Routing RIPv1,V2

Remote management

Up to 5Mbps actual speed

RGW 2400/O D RGW 2400/ID

Standards

M odulation

Frequencies

Channels

Transm ission O utput

Transm ission Rate

Base M odulation

Transm ission Range

Effective Rate

M AC Protocols

10/100BASE-T(RJ45) 10BASE-T(RJ45)

4Ports（with internal Hub) 1Port

Transm ission Protocols

Routing Protocols

Power 100V ac （AC power cable） 100V ac （AC adapter）

Size 270(W )×198(D)×134（H） m m 220(W )×209(D)×50（H） m m

W eight 5600g 600g

com pliant with IEEE802.11b

Specifications

RCR STD-33 and ARIB STD-T66

DSSS（Direct Sequence Spread Spectrum ）

2.4GHｚ band

2412～2472M Hz（5M HzSTEP）2484M Hz

Radio

Interface

LAN

General

10ｍW /M Hz, m axim um

PSK　1･2　　CCK　5.5・11M ｂｐｓ

1・2・5.5・11M bps

3km , m axim um 　※Vary depending on environm ents.

4.5M bps, m axim um 　※Vary depending on environm ents.

Ethernet/IEEE802.3

RIPv2



System Image

ID : All in One type for shot rangeOD: Separate type for long range

AC Adapter

Antenna Cable

Antenna

10 ＢＡＳＥ - Ｔ

Hub

RGW2400/IDMain Unit for Indoor

Antenna Cable

Antenna

RGW2400/ODMain Unit for Outdoor

IF cable (10m/20m ）

AC Adapter

Junction Unit（ internal Hub ４ Ports ）

10 ＢＡＳＥ - Ｔ

Hub



Case Study in Japan

More than 4,500 units of our wireless IP router have been adopted in these 3 years.



Installation scenes in Japan



Maebashi School Network

Wireless networks are set between junior high schools and elementary schools.44 wireless router has been installed.



❚A wireless router are set up on the top of moutain fore relay.❚Covers 3km x 8km area.❚Over 25 mountain lodges at Norikura Moutains have free Internet access by wireless WAN with sharing DSL line.



Installation in Asia

Paya Indah:MalaysiaSolar panel operation in National park

Phnom Penh:Cambodia1day Demo instillation



Telemedicine 　 immage

Data Communication

E-mail,Picture,Photograph

Voice

RGW2400/OD RGW2400/OD

Remote AreaUrban Area

Solar panel

LAN

VoIP VoIP

PCPC

Database DataBase

LAN

Routerルータ

The Internet



Demonstration at Telecom Africa

ITU pavilion Hall 5 #5405Live demo of Telemedicine with Tokai UniversityVoIP, 　 Video 　 Conference

RGW2400/ID

ＷｉｒｅｌｅｓｓＮｅｔｗｏｒｋ

RGW2400/ODMain Unit

CCD-CAMERA CCD-CAMERAPC

PCVoIP Adopter

Junction Unit

Video Conferencingby MS Net Meeting

VoIP Adopter

Telemedicine Application

I/O Unit

Transferred cardiograph image

Video Conferencingby MS Net Meeting

Applications under demonstration•VVoIP telecommunication•VVideo Conferencing•TTelemedicine (cardiograph)

Copyright© Root Inc. 1 ROOT INC.

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