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RFID is a technology designed to streamline communication between devices and humans. As a major component in radio frequencies (RF) communications, RFID is used to identify and track objects within range of a receiver. Among other uses, RFID is employed in applications such as access control, biomedical study, and inventory monitoring.In RFID, passive tags are used to interact with receivers. The tags contain a single chip and antenna coil that allow the contents to be transmitted over a certain frequency range. Power is not needed for the tags to operate, as the reader emits energy in order to bring the tag into contact. Of the contact types, fingerstock and gasket contacts are used to separate the tag from its receiver.Fingerstocks are used as separators in RFID systems to prevent physical contact between metal surfaces while also providing electrical connections. They are usually constructed from metal, plastic, or rubber materials in order to reduce friction between components and enable functionality. Generally speaking, fingerstocks are placed between two antennas in a device. This allows for an air gap between the two surfaces while also providing electrical connection for the antenna.Gaskets are also utilized in contact RFID. These components are designed to serve as both insulating and electrically conductive layers in order to reduce external interference such as radio frequency interference (RFI) and electromagnetic interference (EMI). Gaskets prevent electromagnetic waves generated by one device from traveling to another, while also providing flexibility for custom designs.Due to their low cost, ease of installation, and efficiency at blocking interference, Fingerstocks and Gaskets are common components of RFID systems. Their function in an RFID application is to space the metal surfaces or antennas apart, preventing accidental contact and enabling data transmission. In addition, both fingerstocks and gaskets are specially designed to reduce RFI and EMI from impacting communication between tags and receivers. Through their use, signals remain within the necessary frequency range to effectively transmit data.

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