Circularly Polarized Horn Antenna 15dBi Typ. Gain, 18-26.5 GHz Frequency Range RM-CPHA1826-15

Short Description:

RF MISO’s Model RM-CPHA1826-15 is RHCP circularly polarized horn antenna that operates from 18 to 26.5GHz. The antenna offers a typical gain of 15 dBi and low VSWR 1.1 Typ.
The antenna is equipped with a circular polarizer, a circular waveguide to circular waveguide Converter and a conical horn antenna. Antennas are widely used in antenna far-field testing, radio frequency radiation testing and other scenarios.

Product Detail

ANTENNA KNOWLEDGE

Product Tags

Features

● Low VSWR

● High Power handling

● RHCP

● Military Airborne Applications

Specifications

RM-CPHA1826-15
Parameters	Specification	Unit
Frequency Range	18-26.5	GHz
Gain	15 Typ.	dBi
VSWR	1.1 Typ.
AR	<1.5	dB
Cross Polarization	25 Typ.	dB
3dB Beamwidth	30
Polarization	RHCP
Interface	SMA-Female
Material,Finishing	Al, Paint
Average Power	50	W
Peak Power	100	W
Size (LWH)	211.844058.73 (±5)	mm
Weight	0.199	kg

Previous: Biconical Antenna-70 dBi Typ. Gain, 8-12 GHz Frequency Range RM-BCA812-70

Next: Standard Gain Horn Antenna 25dBi Typ. Gain, 22-33 GHz Frequency Range RM-SGHA34-25

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.

probe antenna