| General | |
| Manufacturer: | BenQ-Siemens |
| Model: | SL91 |
| Other names: | Onyx |
| Platform: technological, no software |
Qualcomm |
| Year: | 2006 |
| Operating system: | Qualcomm Brew |
| Capacity battery (MAh): | 950 |
| Measurements | |
| Dimensions (mm): (width x height x thickness) |
47 x 89 x 23 |
| Weight (g): | 109 |
| Processor | |
| Processor Type: | Qualcomm MSM6250A |
| Clock Frequency (MHz): | 180 |
| Memory | |
| Random access memory (RAM) (MB): | 64 |
| Read-only memory (ROM) (MB): | 128 |
| Communications | |
| Phone: | GSM 1800, GSM 1900, GSM 900, UMTS 2100 |
| Bluetooth: | 2.0 |
| Other: | CSD, EDGE, GPRS, UMTS/WCDMA |
| Multimedia | |
| Screen Size: | 2 |
| Screen Resolution (px): | 240 x 320 |
| Screen type: | TFT |
| Rear camera (Mp): | 3.2 |
| Front camera (Mp): | 0.3 |
| Speaker: | mono |
| Output of earphones: | company |
| Other: | FM-radio |
| Management and input | |
| Buttons: | navigation buttons, physical buttons, numerical keyboard |
| Extension | |
| Memory Cards: | microSD |
| Additionally | |
| Operation time: (according to the manufacturer) |
3.5 hours of talk time, 310 hours of standby time |
| Features: | Feather-touch keyboard. multi-touch is only in custom firmware (working title «Onyx»), 450 copies in the world. |