Frequently asked questions related to COMPARTA products
Dual-Signature PD is a Powered Device with "2 chips" in 1 physical PD. To be more specific, one cable from our BT switch connects to 1 PD (camera), but within the camera there is a circuit design that allows 2 actual PD (monitoring chip and internal heater chip, for example) to be powered up by this 1 cable.
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