Support CDMA 800MHZ Downlink 153Kbps Product Specification CDMA-500 MODEM (USB PORT, 800MHZ) Key Features: D. Browse the Internet E. Send and Receive E-mails F. Two-way SMS Technical Parameters: K. CDMA2000 1識TT 800MHz band a) Receive Frequency:869.04~839.37 MHz b) Transmit Frequency:824.04~848.97 MHz L. Data Transmission up to 153mbps M. Operating System: Windows NT/4.0/SP/6a/98/ME/2000/XP N. Control via AT-Command O. Interface: USB 1.0 P. R-UIM application toolkit Q. Supply voltage range 5..5.3 V R. Low power consumption S. Operation Temperature: -30 癈 to +60 癈 (-22 F- 140 F) T. Restricted Operation temperature: -35 癈 to +70 癈 ( -31 F- 158 F)