SAMTEC Q Rate Coax and Twinax Cable assemblies provide rugged, high-performance Edge Rate contacts and an integral metal power/ground plane that improve electrical performance. EQRD Series coax is a 50ohm single-ended 34AWG micro coax ribbon cable system with a choice of 26, 52 or 78 contacts per row and a standard rugged friction lock. Performance is 4 Gbps at 1 meter. EQRP Series Twinax cable is a 100ohm differential pair 30 AWG twinax ribbon cable system available in 18, 36, or 54 pairs. Performance is almost 10Gbps at 1 meter.