100G QSFP28 AOC refers to the optical transceiver at both ends of the optical cable to provide photoelectric conversion and optical transmission, transmission rate reaches 100Gb/s. And AOC is composed of two optical transceivers and one optical cable jumper. 

Features and Benefits

Transmission data rate up to 25.3125Gbit/s per channel
Compliant with QSFP+ MSA & SFF-8665 standard
Compliant with IEEE 802.3bj 100GBASE SR4
Hot pluggable electrical interface
Differential AC-coupled high speed data interface
OM3/OM4 Multi-mode optical fiber cable of up to 100m
4 channels 850nm 25G VCSEL array
4 channels 25G PIN photo detector array
Supports serial ID functionality thru EEPROM
Management Interface and digital diagnostic
Power consumption<2.5W
power supply: 3.3V 
Operating temperature 0°C to + 70°C
RoHS compliant

Target Market
100Gbs Ethernet
InfiniBand FDR/EDR
Storage, Switch, & RAID Systems
High-Performance Computing (HPC)
Network Interface Cards (NIC's)
Telecommunication equipment
Data center and enterprise storage systems