The 15H3.5CTWR62 horn antenna operates from 12.4–18 GHz with 15 dB gain and a maximum VSWR of 1.26, featuring an integrated 3.5 mm coax-to-WR62 adapter in a compact design. Equipped with an FBP140 (UBR140) flange and supporting 50 W CW / 3 kW peak power, it is ideal for high-performance microwave systems and precision measurement environments.