SFP-10G-ER-S= Price - Cisco Original New Transceiver
Amazon.com: 10GBase-ER SFP+ Transceiver, 10G 1550nm SMF, up to 40 km, Compatible with Cisco SFP-10G-ER, Meraki, Ubiquiti UniFi, Mikrotik, Netgear, D-Link, Supermicro, TP-Link, Broadcom, Linksys and More. : Electronics