The SMB connectors offer perfect electrical performance from DC to 4 GHz, which have the impedance of both 50Ω  and 75Ω. 

The SMB connectors are suitable to connect the RF coaxial cable of high frequency circuit in radio equipment and electrical instrument. The SMB connectors with snap-on coupling mechanism, which have the advantages of light, small, easy mating and super electrical performances, etc. 

Technical Data:

Interface Mating Dimensions: