Type : Bid Notification
Offered EMSS services currently include Iridium voice -unclassified and classified, one-way paging, Short-Burst Data (SBD) (two-way ackno0wledged data transmission), Global Data Broadcast (GDB) one-way multicast), and Distributed Tactical Communications System (DTCS), a one-to-many push-to-talk voice and data service.