Based on this product's specifications, here are some alternatives and similar models
Network management license Lancom Systems LANCOM WLC High Availability Clustering XL Option — 1 license, compatible with WLC-2000
Summary description:
Software license for LANCOM WLC High Availability Clustering XL Option providing one license for network management. Designed for use with LANCOM WLC-2000 controllers, this German-made license enables high-availability clustering functionality for centralized WLAN controller management. Suitable for enterprises requiring redundancy and continuous wireless service.