When they were split up, the White Knights each purchased one of the devices from a telecoms stockist at Watership Orbital, in the Angel system, making use of the devices' communications features to keep in touch with one another. Using the devices enabled them to avoid queuing to use the comms rooms aboard the carriers they were assigned to.

When it came to the task of stealing Cratos, Parks made use of Chaz's Kyllini in order to get an encrypted message over to Griffin. Only Chaz's device was capable of the service, as Chaz had hacked the software and made various alterations to the system.