GNSS Active Patch Antenna
ISISPACE Group
Compact, flight-proven active GNSS patch antenna for GPS-L1 / GALILEO-E1 positioning on CubeSats, mounted on Rogers PCB for minimal RF losses.
Technical specifications
- Mass
- < 20 g
- Dimensions
- 58 x 58 x 9.7 mm
- Operational Temperature
- -20°C to +60°C
- Frequency Range
- 1572 – 1578 MHz (GPS L1 / GALILEO E1)
- Signal Gain (active circuitry)
- 34.5 dB
- Antenna peak gain
- < 5.2 dBic (approx.) at 1575 MHz
- Axial ratio
- < 3 dB
- Return Loss
- > 15 dB
- Bandwidth
- 6 MHz
- Polarisation
- RHCP
- Connector Type
- MMCX (RF and power line combined, female)
- Supply voltage
- 3 – 5 VDC
- Current consumption
- < 10 mA
About
The ISISPACE GNSS Active Patch Antenna combines compact design, low mass, and flight-proven reliability. Perfectly engineered for GPS-L1 (1575 MHz) and GALILEO-E1, it ensures pinpoint positioning and integrates seamlessly with ISISPACE structures.
The antenna is mounted onto a Rogers PCB, ideal for high-frequency RF circuitry, ensuring lower losses than traditional FR-4 PCBs. It features integrated SAW filters and an LNA for active amplification, providing a total signal gain of 34.5 dB. The antenna is qualified for up to 15g quasi-static acceleration in all axes, making it suitable for launch environments.
A single MMCX connector is used for both power supply and RF output, simplifying satellite integration. Flight heritage since initial CubeSat deployments.
Documentation
No public datasheet yet — request the datasheet / ICD from the supplier.
