The new Busmaster 2500 receives and transmits ARINC 429 (hi and lo speeds), CSDB, ASCB and more! At the price of $7,495.00 no other data bus analyzer does more for less. DAC International brought the original Busmaster 2100 to market and has worked with the manufacturer all through the development stages of the new 2500. With its new large touch screen display and easy to follow menus the Busmaster 2500 will change what you will expect from your data bus analyzer! The Busmaster 2500 reads: ARINC 429 (hi and lo speeds), ARINC 561, ARINC 568, ARINC 571, ARINC 575, CSDB, ASCB.