American Mobile Nationwide Data Network

• Started as IBM / Motorola system designed for IBM service force

• Just purchased by American Mobile Satellite Corporation (AMSC) for $120 Million

• Will be combined with satellite to cover entire U.S.

• System designed from beginning to provide good in-building coverage in key business areas of U.S.

• Data rates of 4-19.2 Kbps depending upon area

• Seamless nationwide roaming, no additional charges

• System “knows” where users are