The RCZ- 8XX COM Units contain an XS- 852(X) Mode S Diversity Transponder. This transponder is designed to perform both conventional and advanced air traffic control (ATC) functions. It receives coded radar signals from ATC ground stations and other aircraft and transmits coded replies. The replies containinformation such as aircraft altitude, identity, and data communication messages. The XS- 852, XS- 852A/E/F transponder models all provide diversity Mode S Surveillance. The XS- 852E and XS- 852F transponders provide Change 7, Elementary, and Enhanced Surveillance. The XS- 852G and XS- 852H transponders also provide ADS- B Out extended squitter transmissions, when provided with appropriate GPS and other aircraft intent ARINC 429 data, in addition to the features provided by the XS- 852E/F transponders.

ADS-B  OUT TRANSPONDER
MODE-A/C/S TRANSPONDERS
VHF COM Features-
25 or 8.33 kHz channel spacing
ACARS
ATCRBS
TCAS Diversity
ARINC 429
Enhanced Surveillance