The R&S®ESW is a high-end certified all-in-one EMI test receiver developed by Rohde & Schwarz, designed for full-compliance EMC certification testing of consumer electronics, automotive electronics, aerospace and military equipment, covering complete conducted & radiated emission standard measurements.

Three frequency range variants are available: ESW8 (1 Hz ~ 8 GHz), ESW26 (1 Hz ~ 26.5 GHz), ESW44 (1 Hz ~ 44 GHz). The hardware natively complies with global mainstream EMC standards including CISPR 16-1-1, FCC, MIL‑STD‑461, DO‑160 and ANSI C63.2, equipped with standard compliant detectors (Quasi-Peak / Average / CISPR RMS) and standardized resolution bandwidths.