IEC/PAS 61169-19:2009(E) is a sectional specification providing information and rules for preparation of detail specification of SSMB series R.F. connectors together with the pro forma blank detail specification. The SSMB series connectors with characteristic impedance 50 ohm are one kind of low power miniature connectors with snap-on coupling mechanism and have the characteristics of light weight, small size, convenient connection and excellent characteristics. This connector range is suitable for the standard ranges of flexible and semi-rigid cables and is also available as a PCB mounted version. The connectors are usable up to a frequency of 3 GHz.