The DS-300 is a programmable ORBCOMM subscriber communicator that includes arobust satellite modem, an on-board application processor, power conditioning circuitry, battery charger and several digital and analog IO’s. Its built-in application development environment decreases time to market while Stellar’s exclusive StelComm utility simplifies set-up and configuration. The DS300 offers robust design targeted to satisfy the transportation, heavy equipment, marine, aeronautical as well as many other markets.