AMC4 RF Connector Amphenol RF AMC4 RF Connectors offer a PCB surface-mount termination, straight orientation, and a snap-on coupling mechanism. The location of the cavity number and gate may be arranged on the left or right side of the solder tails. These connectors feature a DC to 6GHz frequency range, 50Ω impedance, 60VAC rated voltage, and -40°C to +90°C operating temperature range. Typical applications for Amphenol RF AMC4 RF Connectors include RFID, notebook computers, handheld and portable devices, remote measuring equipment, BLUETOOTH®, and GPS.