Download CL4790 User Guide - Laird Technologies

CL4790 User Guide
Version 2.0
CONTENTS
Revision History ......................................................................................................................................... 3
Contents ..................................................................................................................................................... 4
CL4790 RF Transceiver ............................................................................................................................... 5
Overview ............................................................................................................................................................. 5
Features ............................................................................................................................................................... 5
Theory of Operation .................................................................................................................................. 6
RF Architecture .................................................................................................................................................... 6
Network Topologies ............................................................................................................................................. 6
Modes of Operation ............................................................................................................................................. 6
Security .............................................................................................................................................................. 11
Spread Spectrum History ............................................................................................................................... 11
How Spread Spectrum Works ........................................................................................................................ 11
Frequency Hopping Spread Spectrum............................................................................................................ 11
CL4790 Security Features .............................................................................................................................. 11
Programming the CL4790........................................................................................................................ 12
Appendix I: Troubleshooting .................................................................................................................. 14
Force 9600 Baud Recovery ................................................................................................................................. 14
Americas: +1-800-492-2320 Option 2
Europe: +44-1628-858-940
Hong Kong: +852-2923-0610
www.lairdtech.com/ramp
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CONN-GUIDE_CL4790