The Metra 40-NI11 is a vehicle-specific antenna adapter engineered for select Nissan vehicles. Designed to retain factory AM/FM radio functionality when installing an aftermarket stereo, this adapter converts the factory Nissan antenna connection to the standard Motorola-style plug commonly used by aftermarket radios. (metraonline.com) Built with OEM-quality molded connectors and plug-and-play construction, the 40-NI11 simplifies aftermarket multimedia installations while helping maintain strong factory radio reception for Apple CarPlay®, Android Auto™, Bluetooth®, and touchscreen radio upgrades. (metraonline.com) Features Nissan antenna adapter Retains factory AM/FM antenna functionality Converts factory antenna to Motorola connection Plug-and-play installation OEM-quality molded connectors Maintains factory radio signal reception Simplifies aftermarket radio installations Designed for multimedia radio upgrades (metraonline.com) Specifications Product Type: Antenna Adapter Vehicle Compatibility: Select Nissan Vehicles Connector Type: Nissan to Motorola Installation Type: Plug-And-Play Application: Aftermarket Radio Installation (metraonline.com) Common Vehicle Compatibility Nissan Altima Nissan Maxima Nissan Sentra Nissan Frontier Nissan Titan Nissan Versa Nissan Pathfinder Nissan Rogue (Exact compatibility varies depending on trim level and factory radio configuration.) (metraonline.com) Included In The Box 40-NI11 antenna adapter cable (metraonline.com) Installation Notes Required when replacing the factory radio Additional wiring harness required Professional installation recommended Designed for aftermarket multimedia receivers