ZyXEL "ZyAir-B420" release v3.50:

information  description  filename

Manual - QSG
Datasheet

Firmware of ZyAir B420 v3.50(HE.3)c0 - DL/Preview
Wireless Bridge (WDS) / AdHoc / Infrastructur
b420-v3.50(HE.3)c0.zip
b420-v3.50(HE.2)c0.zip