The SLFBF21-2R450G-A21T with 0805 RF Filters ROHS manufactured by Sunlord is an advanced high-frequency RF filter designed for use in wireless and telecommunication applications. It features a low insertion loss, low return loss, and high selectivity, providing improved performance and signal quality in noise-sensitive RF environments. The chip utilizes a 0805-sized SMD package and is RoHS compliant, making it suitable for high-volume production. The filter is ideal for use in various wireless and telecommunication applications, such as base stations, repeaters, radio transceivers, GPS receivers, and more.