LEO Shared-Aperture Air-Dielectric Thin-Film Phased Array Antenna

Receive and transmit units share the same aperture. Saves antenna size. Lightweight. Easy to integrate.Multi-layer PCB mixed lamination + air dielectric technology. Low RF signal loss. Higher antenna efficiency.

Shared transmit/receive aperture design
Compact lightweight flat-panel structure
Low-loss multilayer RF + air dielectric architecture
FPGA-based real-time beamforming control

Category: Satellite Communication Terminals Tags: Compact Antenna System, Ka Band SATCOM, Mobile Satellite Terminal, Phased Array Terminal

Product Details

Product Overview

This Ku-band LEO shared-aperture phased array antenna is independently developed based on an advanced phased array platform. It integrates antenna radome, thin-film elements, RF PCB, and air-supported structure into a compact flat-panel design.

The system uses FPGA-based real-time computation to control amplitude and phase for each antenna element, enabling fast beam steering and stable satellite tracking for mobile communication scenarios.

With a shared transmit/receive aperture architecture, the design significantly reduces system size while improving integration efficiency, making it suitable for lightweight mobile SATCOM terminals.

Key Specifications

Transceiver Mode	Transmit	Receive
Operating Frequency Range	14~14.5GHz	10.7~12.7GHz
Transmit EIRP	41dBW
Receive G/T @ 0°	7.5dB/K
Polarization	LHCP (Left-Hand Circular Polarization)	RHCP (Right-Hand Circular Polarization)
Working Angle	Azimuth: 0° ~ 360°, Off-axis angle: ≤ ±65°
DC Power Supply	24V DC ~ 48V DC
Antenna Dimensions	435mm × 385mm × 35mm
Antenna Weight	≤ 5kg

FAQ

What is a shared-aperture phased array antenna?: A shared-aperture design allows both transmitting and receiving functions to operate on the same antenna surface, reducing size and weight while maintaining high RF efficiency and stable performance.
How does FPGA-based beamforming improve performance?: FPGA enables real-time calculation of phase and amplitude for each antenna element, allowing fast beam steering, accurate satellite tracking, and stable connectivity in dynamic mobile environments.
What are the advantages of this flat-panel design?: The flat-panel structure reduces overall system height and weight, improves integration flexibility, and makes it suitable for vehicle-mounted and portable SATCOM applications.
Is this antenna suitable for LEO satellite communication?: Yes. It is specifically designed for LEO satellite networks, supporting fast beam switching and continuous tracking required in low-earth orbit communication scenarios.
What applications is this terminal designed for?: It is widely used in mobile broadband communication, vehicle-mounted SATCOM systems, maritime connectivity, and remote field communication where lightweight and high-performance antennas are required.