brand new and high quality Features: RF demo kit NanoVNA RF test board demo calibration board, used to learn vector analyzer web, antenna analyzer test calibration learning. The board fully integrated with 18 functional modules. Equipped with 2 UFL patch cord for convenient use. Each module has high quality and great reliability. Test board is small and light, suitable for carrying around. Filter: A: Shortwave low pass filter LPF: 30MHz B: FM high-pass filter HPF: 100MHz C: Commonly used SAW band pass filter BPF: 433MHz D: Video ceramic trap BSF: 6.5MHz RLC series and parallel circuits: including R, L, C and combination circuits. Open and short circuit and load calibration circuit. Attenuation circuit. Specifications: Product name: RF Demo Kit Material: silicon Size: app.10x10cm/3.94x3.94in Color: As pictures shown Quantity: 1set Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x RF Demo Kit Board 2 x UFL Patch Cord (other accessories demo in the picture is not included.)