Hicap is a mobile technology developed by Nippon Telegraph and Telephone as a higher capacity alternative to their NTT mobile solution.
Hicap uses a 25 kHz carrier and uses FDMA to separate different calls from each other.
External links
edit- http://www.mobileworld.org/analog_about.html Archived 2007-06-12 at the Wayback Machine