The ICS-220 Iridium Communications System
is a full services aeronautical communications
system incorporating dual channel Iridium
full-service transceivers with a Short Burst
Data (SBD) modem for dedicated ACARS DataLink
services and an internal GPS to support
AFF in a single LRU. Additionally, multiple
handset ports and CTU features provide a
stand-alone comprehensive global communications
system.