Moxa ANT-WSB-ANM-05 User Manual

2.3 Antenna Theory and Selection --------------- 21

Functions of Antennas
Types of Antenna
Key Antenna Specifications
Choosing the Right Antenna for Your Project

2.4 Long Distance Wireless ---------------------- 23

Application Topology
Components of the Expanded 802.11

Wireless System

Moxa’s Antennas Selection Guide ----------- 30

IEEE 802.11b/g 2.4 GHz Wireless Antennas
IEEE 802.11a/b/g 2.4/5 GHz

Dual-band Antennas

IEEE 802.11a 5 GHz Wireless Antennas
Cellular Antennas

Setting Up Point-to-Point Connections
Antenna Alignment for P2P Operations
Moxa Performance Test Report

2.5 Mobile Optimization ------------------------- 35

Roaming Under Linear Movement
Roaming Speed Acceleration
Limitations of High Speed Roaming

2.6 Advanced WLAN Technologies -------------- 37

Dual RF Redundancy
Mesh Technologies
Wireless VLAN
QoS for Video/Audio and Control
Wireless Management

2.7 Industrial Certification ----------------------- 42

EN50155 Certification
ATEX/Class I Division 2

Chapter 3

Cellular Networks

3.1 Cellular Basics ------------------------------- 44

Data Service of GSM
APN in Packet Switch

3.2 Private IP Solution --------------------------- 48

Private IP vs. Public IP
Delay Time
Solution for Private IP
Moxa OnCell Central Manager

3.3 Security -------------------------------------- 50

The Virtual Private Network (VPN)
Firewall

3.4 How to Connect Serial Devices

to Cellular Networks ------------------------- 51

Traditional Modems
IP Gateways

3.5 How to Connect Ethernet Devices to

Cellular Networks ---------------------------- 56

From WAN to LAN (TCP Server)
From LAN to WAN
The OnCell can be both TCP Server

and TCP Client

3.6 How to Connect I/O Devices to Cellular

Networks ------------------------------------ 59

SCADA Meets Ethernet
Communication from I/O to SCADA
OPC Fundamentals
OPC and DCOM: 5 Things You Need to Know
Enhance OPC Capability for

Cellular Communications

Conclusion