1、RF Demo Kit is used to learn vector network analyzer, antenna analyzer test calibration learning. 2、The board fully integrates 18 functional modules, satisfy your multiple needs by various functions. 3、Equipped with 2 UFL jumpers, humanized design, easy to install, convenient to use and operate. 4、Each module is carefully selected, with high quality and high reliability, have a long service time. 5、Small in size and light in weight, convenient to carry and use at any time, very convenient and practical. 1 x RF Demo Kit2 x Jumper Item Type: RF Demo Kit 1. Filter:A. Shortwave low-pass filter LPF: 30MHzB. FM high-pass filter HPF: 100MHzC. Commonly used SAW band pass filter BPF: 433MHzD. Video ceramic notch BSF: 6.5MHz 2. RLC series and parallel circuitIncluding R, L, C and combinational circuit 3. Open/short circuit and load calibration circuit 4. Attenuation circuit