The Electro-Metrics Corporation EM-6853 Ultra-Wideband Passive Omni-Directional Antenna has a broadband frequency coverage from below 300 MHz to well above 40 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 receiving, monitoring, SIGINT, or any other application where a small, rugged, high performance passive ceiling mount antenna is required.

Specifications

Electrical

Frequency Range: 300 MHz – 40 GHz
Beam-width: Omni-directional
Impedance: 50 Ohms, Nominal
Gain: 700 MHz – 40 GHz
Nominal 0dBi or Greater
@ 100 MHz Nominal –40 dBi
@ 300 MHz Nominal –7 dBi
Connector: Type K

Mechanical

Overall Height: 12.7cm (5”) (with connector)
Diameter: 20.3 cm (8”)

Product Sheet
Instruction Manual