S-Band RHCP 2.45 GHz Antenna

Overview • Repository Organization • Releases • References • License

Overview

This project involves the development of an S-band antenna tailored for a 1U CubeSat platform. The system is engineered to handle both uplink and downlink capabilities using LoRa technology, specifically optimized for integration with the E80-900M2213S module.

   

Technical Parameters

• Center Frequency: 2.45 GHz
• Axial Ratio Bandwidth: 14 MHz (2443 – 2457 MHz for AR < 3 dB)
• Peak Realized Gain: 7.58 dBi
• Polarization: Right-Hand Circular Polarization (RHCP)
• Connector Type: Right-Angle SMA

Repository Organization

• docs: Technical documentation and datasheets.
• hardware: Core hardware files.
  • 3D: 3D models (.step).
  • Fabrication: BOM and Gerber files for JLCPCB manufacturing.
  • PCB: KiCad schematics and layout design.
• simulation: Ansys HFSS simulation and data files.

Releases

Render	Board Name	Status	Latest Release	Date	Datasheet	BOM	Ordering Info
	S-Band Antenna v1	🧪 Testing	v1.0	05-06-2026	PDF	Yes	GERBER (JLCPCB)

References

This project was based on the SpaceLab UFSC S-Band Antenna Project, with special thanks to Lucas Ryan (SpaceLab) and Yunior Alcantara (SpaceLab) for their assistance with the SMA connectors.

Missions Associated with this Project

License

This project is licensed under the permissive, weakly-reciprocal CERN-OHL-W-2.0 open-hardware license. You are free to modify and distribute these files, provided downstream hardware design modifications remain under the same terms.