## Source summary NIST CTL announced low-uncertainty broadband gain calibration for dual-ridge horn antennas. Precise robotic motion helps average out chamber reflections, yielding typical gain uncertainty of ±0.07 dB over 1–18 GHz. This result applies to the stated calibration conditions and does not guarantee the performance of every wireless device. ## TABS Company's business perspective Wireless and IoT developers should distinguish target performance from measurement error and document test frequencies, calibration history and chamber conditions in R&D validation plans. Agree on acceptable uncertainty and test conditions with external laboratories early to reduce retesting caused by inconsistent results. Source: NIST, “NIST CTL Announces New Low-Uncertainty Broadband Antenna Gain Calibrations”, 2026-10-29. Original: https://www.nist.gov/news-events/news/2026/10/nist-ctl-announces-new-low-uncertainty-broadband-antenna-gain-calibrations Reuse basis: NIST public-information policy (https://www.nist.gov/copyrights-disclaimers); only institutional explanatory text without separate copyright restrictions is summarized. Unofficial AI-assisted English translation of TABS Company's Korean summary and adaptation. No endorsement or sponsorship by the source institution is implied.