HARDWARE / PRODUCTUpdated 24 Jul 2026

Polaris LoRa

Satlab A/S
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.

Source: satlab.com ↗

The rest of the range from Satlab A/S

All 7 products →

Communications 4 same category

Payloads & Instruments 1

Radios & Transceivers 1