Based on this product's specifications, here are some alternatives and similar models
SFP transceiver Lancom SFP-AON-10 10000 Mbit/s Fiber optic
Summary description:
The Lancom SFP-AON-10 is a fiber optic SFP transceiver with a maximum data transfer rate of 10000 Mbit/s. It is compatible with Lancom products like 2100EF and ISG-5000. The typical power consumption is 1.4 W, and it comes with a 3m LC/APC to LC/UPC cable.