Conexant SoftK56 Data Fax Modem is a high speed modem that lets the user to send attachments faster and are in the PCMCIA Type II 16-bit PC card. It has a built-in power management feature that saves the battery life of the notebook. The Conexant SoftK56 Data Fax Modem package includes a RJ-11 phone line cable and an adapter. It cannot be used when one is utilizing the bsnl broadband as data fax modems are not capable for high speed broadband. One should therefore use only the modems that are part of the broadband as they will be capable of the high speed broadband. Another reason why Conexant SoftK56 Data Fax Modem is not compatible with bsnl broadband is because the former is created for dial up service while adsl modems are created from broadband service. The data fax modem is a very functional machine which is secure and reliable. It is the sending data fax modem that dials a phone number and then sends a white noise audio signal via the internet or telephone line to the receiving data fax modem and then waits for reception confirmation. Each of the two modems communicates to each other about their data fax types (digital or analog) and then confirms that the telephone line can make a proper transmission. Users of Conexant SoftK56 Data Fax Modem are advised to always utilize the latest version of the driver as this would assist them to use its functions easily and better. Versions that are old may cause the conflicts of devices as well as network errors. It is important for the Conexant SoftK56 Data Fax Modem drivers to be updated at least once per every month or even more often. It is highly recommended you run a free registry scan for Windows Vistaand Conexant SoftK56 Data Fax Modem errors before installing any driver updates.