ITEM NAME:Wifi Antenna Adapter Sma Male To N Type Female Straight Rf Coax Connector Bie ME Description: The connectors are akind of low to medium power connectors,with screw coupling mechanism,are widely used connect of the RF coaxial-cable in electronic equipment and instruments,and can be interchange able with the same-type connectors of abroad.Characteristic impedance 50Ω . Type RF Coaxial Adapters Series Between Series SMA-N One end SMA Plug, male Pin Other end N Jack, female Pin Impedance 50 Ohm Style straight Plating Nickelplated/Goldplated Mounting Type Free Hanging.SMA Plug, male Pin. N Jack, female Pin. Impedance50 Ohm. SeriesBetween Series SMA-N.