The 2208NF Series from Coilcraft are NFMI (Near Field Magnetic Induction) Antenna Coils that can be used for syncing earbuds/headphones, hearing aids, and other IoT wearable devices in audio data streaming applications. They are optimized for operation at 10.579 MHz and have inductance values of 3.7 / 3.9 μH with a DC resistance of under 740 mOhms. These coils are available in small surface-mount packages that measure 5.95 × 2.48 × 2.2 mm.
