Oem edge usb data card Key features: 1. Browse the internet 2. Send and receive e-mails 3. Two-way sms 4. Telephone Technical parameters: 1. Qua-band egsm850, egsm900, gsm1800, and gsm1900. Gsm 850 mhz band 2. Edge multi-slot class 12 (up to 4tx, 4rx, 5 total), up to 460.8kbps 3. External removable antenna. 4. Operating system: windows 2000/xp/vista 5. Control via at-command (gsm 07.07, 07.05 and enhanced at commands) 6. Interface: pcmcia & mini usb 2.0 7. Sim application toolkit 8. Supply voltage range 5v 9. Low power consumption 10. Operation temperature: -20 c to +60 c 11. Restricted operation temperature: -25 c to -20 c and +60 c to +70 c Dimensions 89 mm (d) x 43 mm (w) x 14.5 mm (h) Weight < 50g