Narda, an L-3 Communications company, introduced a family of standard gain horn antennas for EMI and EMC testing applications that cover every waveguide band from 2.6 to 40 GHz. The 600 Series horns include seven standard models that cover 2.6 to 3.95 GHz, 3.95 to 5.85 GHz, 5.4 to 8.2 GHz. 8.2 to 12.4 GHz, 14 to 18 GHz, 18 to 26.5 GHz, and 26.5 to 40 GHz. Directivity patterns for all models.