1. The BNC connector is made of new environmentally friendly copper material. 2. Suitable for high-frequency signal transmission. 3. Common SMA/TNC/N connector models can be divided into the following four types of names: the internal needle of the internal screw is called male SMA-J; the internal hole of the internal screw is called reverse polarity male RP-SMA-J; the internal screw of the external screw is called male connector RP-SMA-J; The hole is called female head SMA-K; the outer screw and the inner needle are called reverse polarity female head RP-SMA-K. 4. The interfaces of common 2.4G WIFI routers and wireless network cards are generally external screws and internal pins RP-SMA. 5. All-copper RF converter from N female to SMA male, SMA male to BNC female. Model: SMA to BNC-JKSMA male to BNC female White Insulation: Polytetrafluoroethylene PTFE (high temperature resistance) Impedance: 50 ohm Frequency: 0-6GHZ Note: Different batches may have differences in product appearance, color, and printed characters, which do not affect the use. Color: As shown Material: Copper Package Contents: 2 x All-copper RF converter N female to SMA male 2 x SMA male to BNC female 1 x SA6 spectrum analyzer SMA test probe Only 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 to be slightly different from the real thing. The allowed measurement error is +/- 1-3 cm.