Murata Electronics North America 5811M User Manuals

Table of Contents

• 1. INTRODUCTION

  1
• 1.1. Why Spread Spectrum?

  1
• 1.2. Frequency Hopping vs. Direct Sequence

  3
• 2. RADIO OPERATION

  4
• 2.1. Synchronization and Registration

  4
• 2.2. Data Transmission

  5
• 2.2.1. Point-to-Point

  5
• 2.2.2. Point-to-Multipoint

  6
• 2.2.3. Handle Assignment

  7
• 2.5.8. TDMA Operation

  7
• 2.2.5. Full Duplex Communication

  9
• 2.2.6. Error-free Packet Transmission Using ARQ

  9
• 2.3. Modes of Operation

  11
• 2.3.1. Control and Data Modes

  11
• 2.3.2. Sleep Mode

  11
• 2.3.4. RF Flow Control Mode

  11
• 3. PROTOCOL MODES

  13
• 3.1.3. Connect Packet

  15
• 3.1.4. Disconnect Packet (base only, receive only)

  15
• 4. MODEM INTERFACE

  16
• 4.1. Interfacing to 5 Volt Systems

  17
• 4.2. Evaluation Unit and Module Differences

  17
• 4.3. Three-Wire Operation

  17
• 5. MODEM COMMANDS

  18
• 5.1. Serial Commands

  18
• 5.2. Network Commands

  19
• 5.3. Protocol Commands

  20
• 5.4. Status Commands

  22
• 5.5. Memory Commands

  23
• 5.6. Modem Command Summary

  24
• 6. WIT5811 DEVELOPER’S KIT

  25
• 6.1. WinCOM24

  26
• 6.2. Demonstration Procedure

  26
• 6.3. Troubleshooting

  27
• 7. APPENDICES

  29
• 7.1. Technical Specifications

  29
• 7.1.1 Ordering Information

  29
• 7.1.2. Power Specifications

  29
• 7.1.3. RF Specifications

  29
• 7.1.4. Mechanical Specifications

  29
• 7.2. Serial Connector Pinout

  30
• 7.3. Approved Antennas

  30
• 7.4. Technical Support

  31
• 7.5. Reference Design

  32
• 7.6.1 Mechanical Drawing – WIT5811D

  33
• 7.7 Warranty

  34