Circular Polarization Horn Antenna 12 dBi Typ. Gain, 4-8 GHz Frequency Range RM-CPHA48-12

Short Description:

RF MISO’s Model RM-CPHA48-12 is a circular polarized horn antenna that operates from 4 to 8 GHz, The antenna offers 12dBi typical gain. The antenna VSWR is typical 1.3:1. The antenna RF ports are waveguide and a coaxial converter can be added, the interface is N-K. The antenna can be widely used in EMI detection, orientation, reconnaissance, antenna gain and pattern measurement and other application fields.

Product Detail

ANTENNA KNOWLEDGE

Product Tags

Features

●Waveguide Input

●Low VSWR

● Good Orientation

● RHCP or LHCP

Specifications

RM-CPHA48-12
Parameters	Typical	Units
Frequency Range	4-8	GHz
Gain	12 Typ.	dBi
VSWR	1.3 Typ.
Polarization	RHCP or LHCP
Axial Ratio	1.5 Typ.	dB
Coaxial Interface	SMA-Female
Material	Al
Finishing	Paint Black
Size	465.7100127.73(LWH)	mm
Weight	3.213	Kg

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The Circular Polarization Horn Antenna is a specialized microwave antenna that converts linearly polarized signals into circularly polarized waves through an integrated polarizer. This unique capability makes it particularly valuable in applications where signal polarization stability is critical.

Key Technical Features:

Circular Polarization Generation: Utilizes dielectric or metallic polarizers to create RHCP/LHCP signals
Low Axial Ratio: Typically <3 dB, ensuring high polarization purity
Broadband Operation: Generally covers 1.5:1 frequency ratio bandwidths
Stable Phase Center: Maintains consistent radiation characteristics across frequency band
High Isolation: Between orthogonal polarization components (>20 dB)

Primary Applications:

Satellite communication systems (overcoming Faraday rotation effect)
GPS and navigation receivers
Radar systems for weather and military applications
Radio astronomy and scientific research
UAV and mobile communication links

The antenna’s ability to maintain signal integrity regardless of orientation changes between transmitter and receiver makes it indispensable for satellite and mobile communications, where signal polarization mismatch can cause significant degradation.

circular polarized antenna