-
-
   
SFP
-
-
   
SFP28
-
-
   
SFP+
-
-
   
QSFP+
-
-
   
QSFP28
-
-
   
QSFP-DD
-
-
DAC
-
-
   
QSFP28
-
-
   
SFP
-
-
   
SFP+
-
-
   
SFP28
-
-
   
QSFP+
-
-
AOC
-
-
Loopback
-
-
   
1.25G Network Card
-
-
   
2.5G Network Card
-
-
   
10G Network Card
-
-
   
25G Network Card
-
-
   
40G Network Card
-
-
   
100G Network Card
-
-
OEO
-
-
   
HBA Card
-
-
TAP
-
-
PCIe
-
-
IOT
Back
will this work in less of 1km? Let's say 500 meters more or less
Yes, of course. Its maximum transmission distance is 20-km. It works at any distance less than 20-km.