The DK-SFP-10G-TB series single mode transceiver is small form factor pluggable module for duplex optical data communications such as 10GBASE-LR/LW defined by IEEE 802.3ae. With the SFP+ 20-pin connector to allow hot plug capability.
Refer to above PDF Data sheet
Part number – DK-SFP-10G-TB - DPTEK 1-Port 1G/10G Ethernet SFP Module