Fabula
Object
Object

Cybermen Signal Decoder (Windsor Great Park)

Used by the Doctor and Ace to detect encrypted Cyberman frequencies in Windsor Great Park during the Nemesis crisis
1 appearances

Appearances in the Narrative

When this object appears and how it's used

1 moments
S25E9 · Silver Nemesis Part 2
Conflict erupts over Nemesis control

The scanner registers the Nemesis signal’s encrypted frequencies but fails to decode them fully, forcing the Doctor to deduce the artifact’s presence through temporal alignment rather than direct scanning. Its arc of cerulean light flickers intermittently as the Doctor and Ace re-run their analysis.

Before: Inactive, failing to register significant results at the investigation site
After: Revealed to be accurate only when aligned with the Doctor’s temporal understanding of the Nemesis
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