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Moxa ANT-WSB-ANM-05 Ficha Técnica (70 páginas)

Marca: Moxa | Categoria: Antenas de rede | Tamanho: 3.22 MB |

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Índice

Chapter 3

3

Cellular Networks

3

Chapter 1

4

3G Technologies

5

4G Technologies

6

4G Status

7

1.3 Evolution of IEEE 802.11

8

IEEE 802.11n

9

IEEE 802.11s

9

Chapter 2

11

Diffraction (Shadow Fading)

12

Scattering

12

Reﬂection

12

Signal Level

13

Frequency

13

ISM and Licensed Band

14

2.4 GHz ISM Band

15

Signal Power

16

2.2 Wireless Security

19

Encryption

20

Functions of Antennas

22

Types of Antenna

22

Key Antenna Speciﬁcations

22

Frequency

23

2.4 Long Distance Wireless

24

Access Points

26

Parameter Tuning

26

Environmental Conditions:

26

Power Ampliﬁer

26

External Antennas

27

MOXA Antenna Calculator

28

Positioning the Antennas

28

Antenna Gains

29

E-Plane E-Plane

33

H-Plane H-Plane

33

Cellular Antennas

34

Moxa Performance Test Report

35

2.5 Mobile Optimization

36

Roaming Speed Acceleration

37

Dual RF Redundancy

38

Mesh Technologies

40

Wireless VLAN

41

Wireless Management

42

2.7 Industrial Certiﬁcation

43

ATEX/Class I Division 2

44

Short Message Services (SMS)

46

Circuit Switch Data (CSD)

46

APN in Packet Switch

48

3.2 Private IP Solution

49

Solution for Private IP

50

Moxa OnCell Central Manager

50

3.3 Security

51

Traditional Modems

52

IP Gateways

52

GPRS mode to Internet

56

IP Gateways and GPRS

56

PPP to Internet via ISP

56

From WAN to LAN (TCP Server)

57

From LAN to WAN

59

SCADA Meets Ethernet

60

OPC Fundamentals

64

Remove Windows Security

66

Restore Windows Security

66

Conclusion

69

About Moxa

70

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