The Cassandra Intercept Collar is a passive signals intelligence device worn around the neck or wrist — resembling, at a glance, an unremarkable piece of industrial-grade biometric jewelry. Beneath its brushed-titanium housing lies a broadband radio frequency harvester capable of passively recording all unencrypted and weakly encrypted transmissions within a 200-meter radius, logging them to an internal solid-state archive with a 96-hour rolling buffer. The device never transmits, making it essentially invisible to signal-detection sweeps — it only listens.

What makes the Cassandra distinctive is its onboard linguistic processing chip, a stripped-down derivative of corporate-grade natural language AI, capable of real-time transcription, speaker identification across up to twelve simultaneous voices, and keyword flagging. Operators can set watch-word profiles before an operation — names, codewords, technical terms — and the Collar will vibrate subtly against the skin when a flagged term is detected in ambient transmissions. The full intercept archive can be dumped to an encrypted external drive via a shielded inductive port on the device's inner face.

The Cassandra is the preferred tool of intelligence brokers, long-haul surveillance operatives, and corporate espionage specialists who need to build a communications picture of a target environment without ever revealing their presence. It is also quietly popular among GLMZ's journalist underground, who use it to harvest the ambient chatter of corporate security teams at public events — a practice that is technically illegal under the city's Signals Privacy Statutes but almost impossible to detect or prosecute.