Digicom MU3150-B01. WLAN data transfer rates supported: 11, 54, 150 Mbit/s. Data network: 3G, GSM, HSUPA, UMTS bands supported: 850, 1900, 2100 MHz, GSM bands supported: 850, 900, 1800, 1900 MHz. Security algorithms supported: TKIP, WPA2-PSK. Colour of product: Black, Silver. Battery capacity: 1500 mAh, Battery technology: Lithium-Ion (Li-Ion), Battery voltage: 3.7 V