A new joint solution from Rohde & Schwarz (R&S) and the Taiwan Space Agency (TASA) consolidates electromagnetic compatibility (EMC) and antenna measurements into a single, production-grade test chamber, signaling a shift in how satellite payloads will be validated for Non-Terrestrial Network (NTN) and mission-critical services. By integrating both disciplines in one chamber, TASA can validate RF performance, emissions, and immunity under consistent test conditions and configurations, improving time-to-launch and de-risking interoperability with terrestrial networks. The TASA deployment combines R&S hardware, software, and engineering with a locally built Compact Antenna Test Range (CATR) reflector to achieve dual-mode EMC and antenna measurements in one chamber.