The Tok'ra homing beacon is a Tok'ra device responsible for the detection of incoming vessels. If a base is compromised, the device can be used to warn friendly ships. (SG1: "Last Stand")


When the Tok'ra base on Revanna was attacked by Anubis' forces, these devices transmitted signals that warned friendly ships. SG-1 had to reprogram one of these devices to let Daniel Jackson and Jacob Carter/Selmak know where to mount a rescue. (SG1: "Last Stand")

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