| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a radio communication modem which utilizes an existent host device and can inexpensively and easily reduce radio communication costs. <P>SOLUTION: The present invention relates to a radio communication modem (2) which receives data (10) transmitted at random from a host device (4) and transmits the received data to a server (8) via a radio communication network (6) after performing protocol conversion thereon, including an upon-request transmission mode during which only in a connection from the server to the radio communication mode, data are transmitted to the server side. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
