Gadgets

Richard's machine. Named from his own theory. Designed to create two-way contact between the living world and the AFP. Incomplete when Eli activated it. The accidental activation cracked the barrier rather than bridging it cleanly.

Handheld detection device. Reads frequency displacement when a spirit interacts with the physical world. Short range. High sensitivity.

Two-way communication devices operating on a closed frequency loop between two units. No cell signal. No Bluetooth. No external network. The two units communicate directly on a frequency Marcus built specifically for this. One for Eli in the field. One for Marcus at the lab.