Please contact Ericsson Mobile Data Design . Generally speaking the European, Australian, and Asian networks operate at 400MHz and the American networks at 900MHz. For a detailed list, please refer to the network frequency page . The specification, known as the Mobitex Interface Specification or MIS, can be obtained from any operator of a public Mobitex network or from Ericsson directly . The MIS is not in the public domain.
Most network operators base their charges on the amount of data transmitted.
For some applications, such as paging, flat rate pricing may be available. Please check with the operator in your country for specific pricing information. Several MOA members develop and sell middleware suitable for various purposes, and most Mobitex Operators distribute middleware from other companies as well. Please follow these links to contact Infowave , Mobix , Nettech , RIM , and BellSouth Wireless Data about their products. Radio modems compatible with Mobitex are manufactured by a number of companies around the world including Ericsson , Research in Motion , Maxon , and Nomadic .