Technology: CDMA 1x EV-DO (MSM 6500 Chipset)2. Frequency: 800/1900MHz3. Protocols: IS-856 HDR, IS-95 A/B/C, IS-707 compatible4. Data speed : Forward Link : 2.4 Mbps, Backward Link : 153.6 Kbps5. Power Consumption : Sleep 2 mA, Max 650 mA6. I/O Interface : USB 2.07. Any of the R-UIM type supported8. Antenna: Inner antenna type9. Compact size: 88 x 27 x 11 mm, 23g