Wearable device including multi-band antenna

This is a wearable device, like a smartwatch, that uses the un-partitioned metal frame around its edge as a multi-band antenna. The device connects this closed-loop metal frame to its communication circuit at two different points and to a ground point. By switching between these connection points, the device can send and receive signals across different frequency bands.

Why it matters: The demand for diverse, robust connectivity in compact wearables has intensified. Advances in RF simulation and miniaturized components could now simplify this complex antenna integration.

Status: Not in forceListed as no longer active. The specific reason is not in the record we hold.
How hard to build: ModerateCustom antenna design, electronics, switching circuit.

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