50 Ohm FAKRA Jack, Code I — Keyed for Automotive RF
The 2011260009: The Code I keying — one of the color-coded mechanical keying variants in the FAKRA system — prevents cross-mating with a different signal path in a multi-connector harness, so a GPS antenna line won't plug into a satellite radio port. Rated to 6 GHz, it covers GNSS, cellular, SDARS, and V2X frequency bands without rolling off the passband.
Gold-Plated Pin, LCP Dielectric — Signal Path That Stays Clean
Gold doesn't oxidize in the automotive cabin environment where humidity and thermal cycling are routine. The dielectric is glass-filled LCP (liquid crystal polymer), chosen for its stable dielectric constant up through 6 GHz — the impedance stays at 50 Ohms rather than drifting with temperature or moisture absorption. Shield termination is solder, meaning the outer braid of the coax cable is soldered to the connector body rather than crimped. That gives a lower and more consistent DC resistance on the ground return path, which matters for the return loss at higher frequencies.
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