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FAKRA is superior in vibration resistance and waterproofing, mainly applied in harsh environments such as engine compartments. HSD is superior in EMI shielding and high-speed signal integrity, mainly used in passenger entertainment and assisted driving systems. Both FAKRA and HSD connectors share a common structural design that includes a sheath, inner conductor, outer conductor, and a crimping ring.

Coaxial cable is used as a transmission line for radio frequency signals. Its applications include feedlines connecting radio transmitters and receivers to their antennas, computer network (e.g., Ethernet) connections, digital audio (S/PDIF), and distribution of cable television signals. Fakra connectors are used to transmit RF signals for vehicle wireless communication systems such as in-vehicle Bluetooth, GPS navigation, Wi-Fi and satellite radio. They ensure high quality signal transmission to maintain the reliability and stability of wireless communications.

The two most common solutions are connector position assurance (CPA) and terminal position assurance (TPA). CPA refers to a secondary locking mechanism that ensures that connector mating is correct.