DWDU
  | |
|---|---|
| Broadcast area | Central Luzon and surrounding areas | 
| Frequency | 105.5 MHz (HD Radio) | 
| Programming | |
| Format | Silent | 
| Ownership | |
| Owner | Reliance Broadcasting Unlimited | 
| History | |
First air date  | October 1, 2012 | 
Last air date  | April 14, 2024 | 
Former names  | 
  | 
Call sign meaning  | D Ultimate (former branding) | 
| Technical information | |
Licensing authority  | NTC | 
| Links | |
| Webcast | Listen Live | 
| Website | UFM 105.5 | 
DWDU (105.5 FM) was a radio station owned and operated by Reliance Broadcasting Unlimited, an affiliate company of Converge ICT. The station's studio was located at the Comclark Bldg., Manuel A. Roxas Highway, Clark Freeport Zone, and its transmitter was located at Clark FM Hill, Clark Freeport Zone.