Get from Amazon.com : http://www.amazon.com/gp/product/B0007MYC1Y?tag=hawaiianlegac-20MultiTech Multi-Tech MultiModem GSM/GPRS MTCBA-G-UF2 - wireless cellular modem ( MTCBA-G-UF28501900 MHZ GSMGPRS USB EXT WLS MODEM
