1. The BNC connector is made of new environmentally friendly copper material.2. Suitable for high-frequency signal transmission3. The general SMA/TNC connector models can be divided into the following four types of names: the internal needle of the internal screw is called the male SMA-J; the internal hole of the internal screw is called the reverse polarity male RP-SMA-J; the internal screw of the external screw is called the male connector RP-SMA-J; The hole is called the female SMA-K; the outer screw and the inner needle are called the reverse pole female RP-SMA-K.4. The interfaces of commonly used 2.4G WIFI routers and wireless network cards are generally external screws and internal pins RP-SMA5. All-copper RF converter from N female to SMA male, SMA male to BNC femaleModel: SMA to BNC-JKSMA male to BNC femaleWhite insulation: polytetrafluoroethylene PTFE (high temperature resistance)Impedance: 50 ohmsFrequency: 0-6GHZNote:Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The UseColour:As ShownMaterial:copperPackage Contents:2 x All-copper RF converter N female to SMA male2 x SMA male to BNC female1 x SA6 spectrum analyzer SMA test probeOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.