Hall Research USB3-EXT-16 - Manual (Page 3)

Block Diagram
You can connect 2 repeaters without needing a power
supply, however for long daisy chains, or for connecting to
power hungry USB devices a 5v supply is needed (not
supplied). Power supply should be plugged to last unit in
chain. Requirement: 5v DC at 1A min, 1.7 mm ID center +
Specifications
Cable Length 5 Meters
Upstream Connector USB A male (at end of molded cable)
Downstream Connector USB A Female
Data transfer rate 5G/480M/12M/1.5M
Certification FCC/CE
Power Mode USB bus power/DC self power
Operating Temperature 0~50 °C
Storage Temperature -40~80 °C