Polaris LoRa
The Satlab Polaris LoRa is a self-contained software-defined radio receiver for 868 MHz ISM band LoRa messages, featuring an integrated demodulator and storage, designed for CubeSats and LEO satellites.
Key figurescomparable across the catalogue
- Mass
- 0.185 kg
- Power
- 1.5 W
- Largest dimension
- 93 mm
- TRL
- 9
Normalised to common units so this product can be compared with others in its category. The supplier's own wording is below.
As published by the supplier
- Frequency coverage
- 865.000 to 870.000 MHz
- Bandwidth
- 125.000 kHz
- Spreading factors (SF)
- 8 and 9
- Coding rate (CR)
- 1, 2, 3 and 4
- Payload length
- 2 to 250 bytes
- Sensitivity
- -130 dBm (99% reception rate, SF9 with CR4)
- Frame store capacity
- 130000 frames
- Supply voltage
- 4.5 to 40 V
- Typical power consumption
- 1500 mW (5 V input, 25℃)
- Operating temperature
- -40℃ to +85℃
- CAN-bus
- Up to 1 Mbit/s
- RS-422
- Full duplex, up to 3 Mbit/s
- Ethernet
- Full duplex, 100 Mbit/s
- Primary storage
- 128 MB NOR-flash
- Secondary storage
- 1 GB SLC SD card
- Dimensions
- 93.0 x 87.2 x 12.5 mm
- Mass
- 185 g
- Thermal soak
- -40 to +85℃
- Vibration testing
- 14.1 Grms
- TID
- 20 krad(Si) board level
- Flight heritage
- Reliable flight heritage since 2019 (Polaris SDR product line), QubeAIS receiver flown since 2013
- TRL
- 9
About
The Satlab Polaris LoRa is a fully self-contained software-defined radio receiver specifically designed for 868 MHz ISM band LoRa messages. It includes an integrated demodulator and storage capabilities. This versatile SDR offers excellent performance while adhering to the typical size, weight, and power constraints of CubeSats, and can also serve as an additional payload on larger Low Earth Orbit (LEO) satellites. The Polaris LoRa receiver is built upon Satlab’s second-generation SDR platform, leveraging in-orbit experience gained from the QubeAIS receiver, which has flown on multiple missions since 2013. The Polaris LoRa is part of the Polaris SDR product line, which has demonstrated reliable flight heritage since 2019, with over 100 units successfully delivered to customers worldwide for various space missions. It boasts a Technology Readiness Level (TRL) of 9, indicating it is fully qualified and operational in its intended environment. The product supports custom hardware and software requests.
Documentation
Need the full ICD, test reports or a specific revision? Ask the supplier directly.