 The agreement is for a 365 days-per-year service consisting of a full-duplex symmetric 155 Mbit/s link, gateway access, a transportable 2.4m terminal, terrestrial backhaul, and maintenance and installation services, with a latency of under 200 ms per round trip.The contract also provides for additional capacity to meet surge requirements.Four additional satellites were launched on March 9, 2018 on a Soyuz-2.1b rocket from the Guiana Space Centre, to join the existing constellation of 12.