EM-6857

Antenna, Ultra-Wideband, Passive, Omni-Directional | EM-6857 | 20 MHz – 40 GHz

The Electro-Metrics EM-6857 is an UltraWideband Passive Antenna with Omni-Directional radiation patterns covering the entire frequency range of 20MHz-40GHz. Built with performance in mind, the EM-6857 features a gain of > 0dBi across 99% of its operational frequency. With its best-in-class performance, this antenna is an excellent choice for testing and measurements as well as SIGINT, IPMS, and related applications.

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Category:

Electrical

Frequency Range: 20 MHz – 40 GHz

Polarization: Linear, Vertical

VSWR:

  • Average 2:1 above 400 MHz
  • 3dB Beam width: 360˚ Azimuth (Omni-Directional)
  • 45˚ Average Elevation (70˚ – 30˚ Typical)

Impedance: 50Ω, Nominal

Gain:

  • 150MHz-40GHz Nominal > 0dBi
  • @100MHz Nominal -17dBi
  • @20MHz Nominal -40dBi

Connector:

  • Type ‘K’ (EM-6857 | 20MHz-40GHz)
  • SMA (EM-6857-2 | 20MHz-26GHz)
  • Type ‘N’ (EM-6857-1 | 20MHz-18GHz)

Mechanical

Dimensions:

  • Overall Length: 44.5 cm (17.5”)
  • Diameter: 11.5 cm (4.5”)
  • Weight: 1.34 kg (2.95 lbs.)

Options Available:

  • EM-1607 Tripod Mount (included w/ all models)
  • EM-6857A Environmental Hardening
  • EM-1608 Right Angle Wall Mount
  • EM-1108 Rugged Roof Rack Mount
  • EM-1109 Pole Mount

Color Options:

  • White (default)
  • Custom colors available upon request

Data Sheets

Download Data Sheet

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