10 September 2025 – Comtech, a global communications technology leader, today announced the company’s market-leading software defined SLM-5650B became the first sovereign-certified modem to receive Government Terminal Certification (“GTC”) to operate on SES’s Medium Earth Orbit (“MEO”) O3b mPOWER satellite constellation. Operating on the high-throughput low-latency O3b mPOWER system, Comtech’s SLM-5650B will provide critical hybrid communications services to Department of Defense (“DoD”) and coalition customers in some of the world’s most challenging geographies. SES’s certification is unlocking new opportunities for the DoD users that require secure and reliable service and increasingly seeking greater communications sovereignty for critical missions. Read more