Cuming-Lehman Chambers Inc. - EMC and RF Shielded Anechoic Chamber Custom Building, Retrofitting, and Relocation RF shielded, anechoic chambers, design, construction, commercial, defense, EMC, high frequency, Pre-scan Emissions, Immunity Chambers, Three Meter, Emissions Chambers, FCC Certified, Antenna Measurement, Compact Range, RCS/Radome, Near-field, absorber installation, relocation, ANSI C63.5-1998 standard, retrofit, absorber, electromagnetic, ANSI C63.4, compliance, testing, IEC 10000-4-3, FCC, Paul E. Lehman, wireless, applications Cuming-Lehman Chambers specializes in the design, construction, retrofitting, and relocation of EMC and RF shielded anechoic chambers for the commercial and defense markets.