The Electro-Metrics EM-6857-2 Passive Omni-Directional Antenna has an amazing frequency coverage from 20 MHz to 26 GHz.
With nominal gains of 0 dBi or higher over 99.5% of the antenna coverage frequency range, this antenna is the perfect device for SIGINT or any other application where a small, rugged, high performance passive antenna is required.
Overall Length: 44.5 cm (17.5”) With standard tripod mount: 58 cm (22.5”) Diameter: 11.5 cm (4.5”) Weight: 1.3kg ( 2.8 lbs ) Temperature Ranges: Operating: -20C to +50C Storage: -30C to +75C