Circularly Polarized Horn Antenna 15dBi Typ. Gain, 2.1-2.5 GHz Frequency Range RM-CPHA2125-15

Short Description:

RF MISO’s Model RM-CPHA2125-15 is a circularly polarized horn antenna that operates from 2.1 to 2.5 GHz. The antenna offers a typical gain of 15 dBi and low VSWR 1.2:1 Typ.
The antenna has uniform gain in the whole frequency band, providing efficient performance characteristics and directivity. It is suited for gain reference, antenna measurement, reflector feed, CATR and other applications.

Product Detail

ANTENNA KNOWLEDGE

Product Tags

Features

● Low VSWR

● High and Flat Gain

● RHCP or LHCP

● With L-Type Bracket

Specifications

RM-CPHA2125-15
Parameters	Specification	Unit
Frequency Range	2.1-2.5	GHz
Gain	15 Typ.	dBi
VSWR	1.2 Typ.
AR	<2.5
Polarization	RHCP or LHCP
Interface	N-Female
Material	Al
Finishing	Paint
Average Power	200	W
Peak Power	500	W
Size (LWH)	274.3274.3422.6 (±5)	mm
Weight	7.166	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.