Features: Wide application for Antenna, GPS, base stations, cable assemblies, electrical complements, instruments and apparatus, transmission systems, wireless communication systems, telecommunications systems. It features wide frequency bandwidth, perfect performance, high reliability, and long lifespan. There are 5 pieces connector in one bag, which are enough for you to use. It is suitable for connecting RF cable in the RF circuit of microwave equipment and digital communication system. Gold-plated brass connector, durable construction for long-lasting performance. Specification: Material: Gold-plated brass Type: RF Coaxial Connector Impedance: 50ohm Frequency: 0-6Ghz Temperature range: -65~165 Size: Approx. 16.3 x 8mm / 0.6*0.3inch Weight: 17g Quantity: 5pcs Package Included: 5 x SMA Coaxial RF Connector Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.