MikroTik S-35LC20D 1250Mbps SFP Optical Transceiver Module
High‑speed optical transceiver for Gigabit Ethernet, delivering up to 1.25 Gbps over single‑mode fiber with a compact SFP form factor. Ideal for network upgrades needing reliable, low‑latency connectivity.

Mikrotik is a Latvian company that makes computer networking equipment, including routers, switches, and wireless access points. Mikrotik's products are popular among network administrators and hobbyists for their low cost and feature-richness.