SIT Technology Overview &

LoRa Product Introduction

Our mission of SIT Technology is to supply

semiconductor components and design for

highest satisfaction of our customers. It has

supplied many components and designs for

communication, wireless, multimedia and

automotive systems since its establishment in

1986

Business Model

Customer Satisfaction Best Service

Value added Demand Creation

SIT Technology

Providing System & Module Design

Sourcing Components Globally

Total Engineering Service

Brief History

2013

2012 ■ Join Member of ETG(EtherCAT Technology Group)

■ Distributor Agreements with LS Communication

■ Distributor Agreements with Renesas

2016

2015

■ Renew the Company / Change the Company name to SIT Technology Inc.

■ Distributor Agreements with LoRa of microchip

■ Distributor Agreements with Sungmun

2008 ■ Distributor Agreements with “Microchip”.

2002 ■ Distributor Agreements with “DS2 of Spain”

■ Distributor Agreements with “INOVA Semiconductors GmbH”.

1998 ■ Open US Branch office (Sunin America Co., Ltd.) in New Jersey

■ Distributor Agreements with “PMC-Sierra”

1994 ■ Distributor Agreements with “I.g.T”

■ Established Sunin Technology Incorporated Acquired Sunin Elec.

■ Distributor Agreements with Orbiwise

■ Distributor Agreements with MOBINUS

■ Distributor Agreements with Nikkiso

Brief History

1993 ■ Distributor Agreements with “Sunrise telecom.”

■ Distributor Agreements with “American Reliance Inc.”

1992 ■ Distributor Agreements with “Level One.”

1991 ■ Established Distributor Business

1989 ■ Branch open In Yongsan Sunin Building

1986 ■ Established SUNIN Electronics (Founder Mr. Kyu-Hong Park)

Vision

Organization

SIT Technology mainly serves Communication,

Multimedia, and Consumer market and we

corporate them to design.

LoRa(S)

Orbiwise provides a complete “low-power wide-area” wireless communication system, optimized for connected objects, including core network software, gateways and device reference design. Two product offerings :

1. Solution for large deployments, scalable to support up to thousands of gateways and millions of nodes.

2. Solution for small deployments, with seamless / consumer-grade installation

• LoRa Radio Transceiver • Ultra Low Power & High Performance Micro controller • IEEE802.15.4e MAC • LoRa Spec Class A/B/C • Interface : UART1 • Frequency : 922.1 ~ 923.3Mhz, 7개 채널 • Data Rate : 0.3kbps ~ 5.5kbps • Range : 5 km (LoRa – LOS, 25mW, 922Mhz) • Operation Temperature : -40 ~ 85°C • Max Current : 30~40mA(Tx), 10mA(Rx), 2~4uA(Sleep) • Dimension : 30(H) x 20(W) x 3mm(T) • Antenna connection : IPEX connector • DC Input Voltage : +3.3Vdc • Operating Temperature : -40 ~ 85°C • Weight : 5g • Antenna Receptacle : IPEX connector

ZigBee Chip 공급사가 제공하는 ZigBee 메쉬 네트워크 프로토콜 표준을 따르기는 하지만, 구조가 복잡하고 소스코드 접근이 난해하여 다양한 현장 환경에 적용하는 데 많은 문제를 일으킴. 스택을 공개하지 않기 때문에 디버깅 또는 변형이 어려움.

당사는 보다 Simple하며, Reliable하며, Flexible한 자체 스텍을 개발하여 현장에 최적화 할 수 있고 문제 해결이 용이 해짐.

Applications

- 원격 검침(아파트, 개인주택)

- 가로등 등 시설물 관제

- 빌딩 EMS(Energy Management System)

- 공장 내 각종 센서들 모니터링

• Product Size : 200mm X 290mm X 100mm,

• IP level : IP54 compliant

• Material : Aluminum (AL 5052)

• Wall Mount : Adaptable

• Key Lock : Yes

• Antenna :

#. WiFi : 5.8 GHz 5dBi X 2

#. 3G/4G/GSM antenna : 2~3 dBi X 2

#. ZigBee,LoRa,FSK, IOT module antenna X 4

• Interface : #. WAN/LAN 2port (10/100/1000 Mbps) #. RS-232 x 1 , RS-485 x 1 • Operational temp. : -35℃ ~ +95 ℃ • Operational humidity : <95% @ IP54 condition • Power #. AC input 85V ~ 260V #. DC input 120V ~ 370V • POE output : DC48V 0.5A 1 port

• 부천 및 북가좌 아파트 1,100가구 적용한 열량계 단말기

통신 방법 및 테스트 환경

채널 : 923.3Mhz

Band Width : 125Khz

Tx Power : 14dBm w/o PA

Spreading Factor : 10

장소 : 에이스하이앤드 5차

테스트 결과

반경 1.1Km이내에 통신 가능

1.1Km이외의 지역은 Mesh망 구성되어 통신 확인함

• Microchip의 독자적 무선 네트워크 솔루션

– 호환성 테스트, 협회 가입비, 연회비 등이 없음

– 무료로 사용

• P2P, Star, Tree, Mesh 네트워크 토폴로지 지원

– 다양한 네트워크 구성가능

– 적은 Gateway 수로 넓은 지역을 담당할 수 있음

• MiWi 소프트웨어 Stack Size가 매우 작음

– MiWi P2P : Star Network (4KB)

– MiWi : Mesh Network(~16KB / 4 hops)

– MiWi PRO : Mesh network (~64KB / 64 Hops / ~8000 nodes)

• Microchip 8 / 16 / 32 bit MCU 및 RN2903 사용 가능

– Application에 적합한 MCU or LoRa 모듈 선택 가능

– 다양한 주변장치 활용 가능 ( Sensor Interface, Graphic, Touch, WiFi, Ethernet etc.. )

Gateways End Node Service

.

.

.

PC/

Laptop

CDMA

Ethernet

WiFi

USB

UART Sub

GHz

Sensors

Host MCU (PIC18LF46K22 MCU)

Application Actuators

SPI MiWi

Protocol

LoRa

(SX1276)

RF

Transceiver

User

Interface

Host MCU

( PIC 8/16/32 MCU)

Application

SPI

Ethernet/WiFi

Protocol LoRa

(SX1276)

RF

Transceiver

MiWi

Protocol

RN1810/1 UART

SPI

LAN8720 MII

USB/UART

Network/

Application

Server

PC/Laptop

DR SF BW (KHz) BR(bps) Payload Len

DR0 SF12 125 250 59

DR1 SF11 125 440 59

DR2 SF10 125 980 59

DR3 SF9 125 1760 123

DR4 SF8 125 3125 230

DR5 SF7 125 5470 230

DR6 SF7 250 11000 230

DR7 50000FSK

TX Power Configuration (dBm)

0 20

1 14

2 11

3 8

4 5

5 2

Channel # Center Freq(MHz)

20 920.9

21 921.1

22 921.3

23 921.5

24 921.7

25 921.9

26 922.1

27 922.3

28 922.5

29 922.7

30 922.9

31 923.1

32 923.3

통신 방법 및 테스트 환경

스택 : MiWi(Microchip)

채널 : 923.3Mhz

Band Width : 125Khz

Tx Power : 14dBm w/o PA

Spreading Factor : 12

장소 : 미사리 조정경기장

테스트 결과

반경 4Km이내에 통신 가능

Address 6F, Yoonsung Building, 986-18, Hogye-dong, Dongan-gu,

Anyang-si, Gyeonggi-do, #431-081

Office +82-31-425-2750

Fax +82-31-425-2760

Email sales@sittech.co.kr