Rohde and Schwarz HE402 Overview

The Rohde HE402 is an Active Directional Antenna. It consists of two Active Receiving Dipoles HE302, a combining network and the mechanical dipole fi xing elements. The antenna receives linearly polarized waves and is matched to the required direction of polarization (horizontal or vertical) by appropriate installation.

Features
• Cardioid-shaped horizontal pattern
• Small dimensions
• Optimized for use in mobile or semi-mobile systems

Performance Characteristics

• Form Factor Benchtop
• Type Dipole
• Application Receive
• Minimum Frequency 20 MHz
• Maximum Frequency 87 MHz
• Gain 10 dB
• Impedance 50 Ohm
• Voltage Standing Wave Ratio 2.5:1
• Connector type (main signal) Type-N(f)

Measurements/Features

• Ideal For Use In Mobile/Semi-M
• Consists of 2-Active Rece.Dipo
• Also Used For Horiz.Polarization
• Horizontal Pattern:Cardioid
• Receives Vertical Polar.signal
• Small Size:1m x 1m
• Field Sensitivity:-12 to -22dB
• Max.Wind Speed:180km/h
• Electronic Gain:-19 to +5dB

Programmability/Connectivity

• User Interface Proprietary

Life Cycle Data

• Out of Production Jun-01-1999

Compliance

• CE Compliance Not on file
• UL Compliance Not compliant

Power Requirements

• Input Power Not required

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