Packing: PP Bag & Custom-Made,Each antenna is securely packed in a PP bag and can be custom-made to meet your unique requirements. S1r4sp2x2duplex|Hf Screwdriver Antenna|Impedance: 50 Ohm,Ensures stable signal transmission with a 50 Ohm impedance, ideal for RC Multirotor FPV Quadcopter appli...