| Brand | RadioShack |
|---|---|
| Type | signal processor |
| Model | 21-543 |
| Band | HF |
| Features | Digital |
Check the listing for details. RADIO SHACK DSP DIGITAL SIGNAL PROCESSOR 21-543 12V Powers Up. Condition: Used. Listed at 65.00 USD. This unit has some surface scratches and paint chips but is in decent shape. The only thing I know is that powers up and emits a low buzzing noise. PLEASE LOOK CLOSELY AT PICTURES!!!