ELF Series Products ELF110 1.0mm (110GHz) Edge Launch Connectors No Soldering Required Top Ground Only Narrow profile to more tightly couple differential lines on curved edges Both models have the same launch geometry ELF67 1.85mm (67 GHz) Edge Launch Connectors No Soldering Required Top Ground Only Narrow profile to more tightly couple differential lines on curved edges Both models have the same launch geometry ELF50 2.4mm (50GHz) Edge Launch Connectors No soldering required Top ground only Narrow profile to more tightly couple differential lines on curved edges Both models have the same launch geometry ELF40 2.92mm (40 GHz) Edge Launch Connectors No soldering required Top ground only Narrow profile to more tightly couple differential lines on curved edges Both models have the same launch geometry