| Local Name | Matrix Pro |
| Additional Information | Also known as Pantech C820 |
| Technology | GSM / HSPA |
| 3G Bands | HSDPA 850 / 1900 / 2100 |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 |
| Speed | HSPA 3.6/0.384 Mbps |
| GPRS | Class 10 |
| EDGE | Class 10 |
| Announced | 2009, February. Released 2009, February |
| Status | Discontinued |
| Dimensions | 105.9 x 50.8 x 21.6 mm (4.17 x 2.0 x 0.85 in) |
| Weight | 122 g (4.30 oz) |
| Keyboard | QWERTY |
| SIM | Mini-SIM |
| Body | Dual slide design |
| Display Type | TFT, 256K colors |
| Screen Size | 2.4 inches (~33.2% screen-to-body ratio) |
| Resolution | 240 x 320 pixels (~167 ppi pixel density) |
| OS | Microsoft Windows Mobile 6.1 Standard |
| CPU | 528 MHz |
| Card Slot | microSD, up to 16 GB |
| Internal Memory | 128 MB RAM, 256 MB ROM |
| Primary Camera | 2 MP, 1600 x 1200 pixels |
| Camera Features | Video-calling |
| Video | Yes |
| Secondary Camera | No |
| Alert Types | Vibration; Downloadable polyphonic, MP3, WMA ringtones |
| Loudspeaker | Yes |
| 3.5mm Jack | No |
| WLAN | No |
| Bluetooth | v2.0, A2DP |
| GPS | Yes, with A-GPS |
| Radio | No |
| USB | Yes |
| Messaging | SMS, MMS, Email, Instant Messaging |
| Browser | WAP 2.0/xHTML, HTML |
| Java | Yes, MIDP 2.0 |
| Features Summary | AT&T Navigator, MP3/MP4 player, Voice memo |
| Battery | Li-Po 1320 mAh battery |
| Stand By | 249 h |
| Talk Time | 3 h |
| Colors | Steel Blue |