AMC4 Plug to AMC4 Plug Cables Amphenol RF AMC4 Plug to AMC4 Plug Cables are available in a DC to 6GHz frequency range with cable lengths ranging from 35mm to 1000mm. The series offers 50Ω nominal impedance, 500mΩ insulation resistance, and 20mΩ maximum resistance on the inner and outer contact. Amphenol RF AMC4 Plug to AMC4 Plug Cables withstand 30 mating cycles and operate in a -40°C to +85°C temperature range. Applications include RFID, notebook computers, remote measuring equipment, handheld and portable devices, BLUETOOTH®, and GPS.