Cell phone

Cell phones are a common form of communication devices used by the Tau'ri on Earth.

Uses

 * After discovering that the Asurans retaken Atlantis, Stargate Command contacted Lt. Col. Sheppard and Drs. McKay and Weir, who had cell phones. Dr. Beckett didn't bring his cell phone at the time, thought later it was discovered that they didn't call him in the first place.
 * McKay called Sheppard and Ronon with cell phones after Jeannie Miller was kidnapped by Devlin Medical Technologies.
 * After an awry experiment in Kramer Innovations. Keller used Malcolm Tunney's cell phone to conact Stargate Commmand for assistance, when the base's phone lines were down.