Features 1、ROBUST AND STABLE: The UHF antenna is designed and developed with excellent plastic and metal materials to ensure a robust structure and achieve signal stability 2、UNIVERSAL AND RELIABLE: The wireless microphone receiver antenna is universal, with a frequency of 640‑690MHZ, providing long lasting use and reliable support 3、EASY TO REPLACE: The BNC interface is simple to install and can be used as a direct aftermarket replacement part of original antenna for easy installation 4、APPLICABLE MODEL: UHF antenna is applicable to the for SLX24, for SM58, for BETA58A, for SLX4 and other wireless microphone receiver receiving signal antennas 5、EXCELLENT PERFORMANCE: BNC antenna is made with fine workmanship, possess compact appearance and stable performance, can make sure durability and stability Specification Item Type: Wireless Microphone Receiver Antenna Material: Plastic and metal Interface: BNC Application: For SLX24, for SM58, for BETA58A, for SLX4 wireless microphone receiver, universal Frequency: 640-690MHz Package List 1 x Wireless Microphone Antenna