| Abbreviation | Definition |
|---|---|
| WCTB | Wireless Campus Testbed |
| WCTP | Wireless Communication Transfer Protocol |
| WDAI | WWW Distributed Authorization Infrastructure |
| WDC | Web Domain Controller |
| WDCL | Weakly Dominant Congested Link |
| W-DCS | Wideband Digital Cross-connect System |
| WDDI | Wavelength Distributed Data Interface |
| WDIH | Wavelength Division Multiplixing-Isolator Hybrid |
| WDIM | Web Design and Interactive Media |
| WDLA | Weapon Data Link Architecture |
| WDM | Wavelength Division Multiplexing |
| WDMZ | Wireless DeMilitarized Zone |
| WDNU | Wireless Data Networking Unit |
| WDUA | Windows Directory User Agent |
| WEBDAV | Web-based Distributed Authoring and Versioning |
| WEBI | WEB Intelligence |
| WEBM | WEB Media |
| WECA | The Wireless Ethernet Capability Alliance |
| WECM | WebSphere Everyplace Connection Manager |
| WEIL | Wireless Ethernet Interface Links |