Dual Circular Polarized Horn Antenna 12dBi Typ. Gain, 18-40GHz Frequency Range RM-DCPHA1840-12

Short Description:

RF MISO’s Model RM-DCPHA1840-12 is a dual circular polarized horn antenna that operates from 18 to 40GHz, The antenna offers 12 dBi typical gain. The antenna VSWR below 2. The antenna RF ports are 2.92-female coaxial connector. The antenna can be widely used in EMI detection, orientation, reconnaissance, antenna gain and pattern measurement and other application fields.

Product Detail

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Product Tags

Features

● Coaxial Adapter for RF Inputs

● Strong Anti-interference

● High Transfer Rate

● Small Size

Specifications

RM-DCPHA1840-12
Parameters	Typical		Units
Frequency Range	18-40		GHz
Gain	12 Typ.		dBi
VSWR	≤2 Typ.
Polarization	Dual-Circular-polarized
AR	1.5 Typ.	3 max	dB
3dB Beam-width	27°-54°		dB
Port Isolation	15 Typ.		dB
Size (LWH)	464055(±5)		mm
Weight	0.053		kg
Power Handling, CW	20		w
material	Al
connector	2.92-Female

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The Dual Circular Polarized Horn Antenna is a sophisticated microwave component capable of simultaneously transmitting and/or receiving both Left-Hand and Right-Hand Circular Polarized waves. This advanced antenna integrates a circular polarizer with an Orthogonal Mode Transducer within a precisely engineered horn structure, enabling independent operation in two circular polarization channels across wide frequency bands.

Key Technical Features:

Dual CP Operation: Independent RHCP and LHCP ports
Low Axial Ratio: Typically <3 dB across operating band
High Port Isolation: Generally >30 dB between CP channels
Wideband Performance: Typically 1.5:1 to 2:1 frequency ratio
Stable Phase Center: Essential for precision measurement applications

Primary Applications:

Satellite communication systems
Polarimetric radar and remote sensing
GNSS and navigation applications
Antenna measurement and calibration
Scientific research requiring polarization analysis

This antenna design effectively mitigates polarization mismatch losses in satellite links and provides reliable performance in applications where signal polarization may vary due to environmental factors or platform orientation.