The MRTC Nexedge system operates in the 446-473MHz range in 12.5kHz steps. The frequency allocations vary between races.

Split screen is featured in Call of Duty 2, Call of Duty 3, Call of Duty 4: Modern Warfare, Call of Duty: World at War, Call of Duty: Modern Warfare 2, Call of Duty: Black Ops, Call of Duty: Modern Warfare 3, Call of Duty: Black Ops II, Call of Duty: Ghosts, Call of Duty: Advanced Warfare, Call of Duty: Black Ops III, ...

Players team up to take on Tranzit, an open world style mode where players use a bus to go between zombie infested areas. The traditional survival mode is also available. Play the game's multiplayer versus bots with friends as well.