Topics :
 - Reviews of the low-level RF system at various laboratories
 - Fast and/or digital low-level RF control
 - Applications of the digital signal processing at the accelerator such as beam  monitors
 - Sophisticated software development

 Working groups :
 - Hardware developments (RF and Digital-technique)
 - RF modeling, Beam-loading, Longitudinal dynamics
 - Operational experience, Software

 Special tutorials :
 - Timing and Synchronization
 - Digital Signal Processing in LLRF