Durable Material: This SMA to SMB male and female connectors are made of full brass plated with real gold exquisite craftsmanship, high quality adapters ensure no signal loss and good conductivity, sturdy and wear-resistant to ensure durability and recyclable. Stable Performance: SMA to SMB Adapter provides perfect interface matching, stable and reliable performance, easy to use, easy to connect, excellent transmission, you don't need any tools to connect this coaxial adapter to your device. With excellent transmission performance. Electrical Impedance: This set of 4-piece straight SMA to SMB adapters are gold-plated on all sides, durable, corrosion-resistant, and can be plugged and unplugged up to 1,000 times, making them extremely durable Impedance: 50 Ohm, helps you connect SMA to SMB devices. Widely Used: Suitable for digital radio DAB+/FM tuners, FPV drones, extension cables, signal amplifiers, repeaters, RF coaxial cables, audio, video, car antennas, networking, wireless routers, wireless antennas, coaxial cables, GPS, radio scanners, wifi, radios, telecoms and other test equipment. Package Included: High quality SMA male to SMB male connector with good connectivity, durable, durable, corrosion resistant, very durable, 4 SMA plugs to SMB adapter coaxial plugs assembled per package. Meet your needs for your convenience.