Communications

The following is a list of various communications technology.

Personal

 * Combadge
 * Communicator
 * Earpiece
 * Feinberg receiver
 * Holo-communicator
 * Holofilter
 * Laser beacon
 * Subcutaneous transponder
 * Universal translator

Long-range

 * Interplexing beacon
 * Radio
 * Subspace communications networks:
 * Subspace relays:
 * Subspace relay station
 * Subspace transmitter

Display devices

 * PADD
 * Viewscreen
 * Virtual display device

Signals

 * Radio-interference distress call

Codes
A list of codes:
 * Code 2
 * Code 3
 * Elgol-red
 * Recursive algorithm