This SMA Jack to BNC Female RF Coaxial Adapter is designed for use with two-way radios, scanners, and other communication devices. It is a straight RF coaxial connector that provides a secure and reliable connection between devices. The adapter is compatible with Baofeng, Uniden, and Kenwood devices, among others. It is a useful accessory for anyone who needs to connect their two-way radio or scanner to an antenna or other device with a BNC female connector.