ZWave home automation technology is based on an RF wireless mesh
network. ZWave lighting control products provide solid reliable
performance. ZWave is an intelligent mesh network where devices can act as repeaters as necessary when the controller is too far away from the receiver. ZWave has excellent penetration through walls and floors,
and is very secure with over 4 billion unique network codes to identify
nodes. ZWave products from various manufacturers are interoperable.
For more information on Z-Wave technology you may wish to visit:
Z-Wave Allance
Z-Wave.com
Zensys