KwiQMAte™ Coax Connectors Johnson / Cinch Connectivity Solutions KwiQMAte™ Coax Connectors are a quick-disconnect version of SMA connectors and share the same internal construction. This KwiQMAte series meets or exceeds MIL-PRF-39012 requirements and is designed based on 50Ω system impedance. Johnson / Cinch Connectivity Solutions QMA connectors operate at frequencies up to 12.4GHz and feature a push-on style interface for more connectors per application.