Sennheiser Passive directional antenna 1800 MHz Sennheiser

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The Sennheiser AD 1800 is a passive directional antenna designed to improve wireless communication and reception for systems operating in the 1400–2400 MHz frequency range, including 1800 MHz microport applications. Featuring a BNC 50-ohm connection, approximately 4 dB gain, and a 100° beam angle, it is particularly useful in areas where standard telescopic antennas may not provide sufficient reception. Its compact design includes a mounting thread for use with stands or micro tripods.

The Sennheiser AD 1800 1G8 Passive Directional Antenna is designed to improve wireless signal reception in challenging environments where standard telescopic antennas may not provide adequate performance. Covering a broad 1400–2400 MHz frequency range, the antenna is suitable for wireless communication applications in the 1800 MHz band, including compatible Sennheiser microport systems.

As a passive directional antenna, the AD 1800 focuses reception toward the desired signal source, helping improve wireless communication reliability in problematic reception areas. It provides approximately 4 dB gain and a 100° beam angle, while its front-to-back ratio of greater than 14 dB helps provide directional characteristics and reduce reception from the rear.

The antenna uses a BNC connector with 50-ohm impedance for connection to compatible wireless equipment. For flexible installation, it features a 5/8" mounting thread with a reduction to 3/8", allowing it to be mounted on a stand or compatible micro tripod.

With dimensions of 180 x 192 x 22 mm and a weight of only 116 g, the AD 1800 is compact and lightweight enough for portable wireless setups while remaining suitable for professional installations.

Key Features

• Passive Directional Antenna – Helps improve wireless reception in challenging areas.
• Wide Frequency Range – Covers 1400–2400 MHz.
• Designed for 1800 MHz Applications – Suitable for compatible microport systems operating in the 1.8 GHz band.
• 4 dB Gain – Helps improve reception performance.
• 100° Beam Angle – Provides directional reception.
• >14 dB Front-to-Back Ratio – Helps provide improved directional selectivity.
• BNC Connection – Uses a reliable 50-ohm BNC RF connection.
• Stand Mounting – Features a 5/8" thread with reduction to 3/8" for mounting.
• Compact & Lightweight – Measures 180 x 192 x 22 mm and weighs only 116g.
• Useful in Problematic Reception Areas – Designed for situations where telescopic antennas are insufficient.
• Suitable for Professional Wireless Systems – Ideal for compatible Sennheiser wireless microphone and microport setups.

• 1 × Sennheiser AD 1800 Passive Directional Antenna
• 1 × Instructions for Use

• Brand: Sennheiser
• Model: AD 1800 / AD 1800 1G8
• Product Type: Passive Directional Antenna
• RF Frequency Range: 1400–2400 MHz
• Recommended Application: Wireless communication / 1800 MHz microport systems
• Connector: BNC
• Impedance: 50 Ohm
• Gain: 4 dB
• Beam Angle: 100°
• Front-to-Back Ratio: >14 dB
• Mounting Thread: 5/8" with reduction to 3/8"
• Dimensions: 180 x 192 x 22 mm
• Weight: 116 g
• Antenna Type: Passive Directional