Most Quantum 1117 adapters use the Realtek RTL8188 series chip.
While QHMPL's direct download portal is often down, you can check the Quantum India Support Page for legacy files. qhmpl 1117 ul wifi driver download full
While compatible with both, some older QHMPL dongles perform better in a USB 2.0 port to avoid interference issues. Most Quantum 1117 adapters use the Realtek RTL8188
If you cannot find the original driver CD, several community-trusted driver sites host the legacy files for the 150Mbps 802.11n adapters: qhmpl 1117 ul wifi driver download full