Polaris LoRa
Satlab A/S
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.
Typed specifications98 values
Discloses 8 of 13 fields engineers filter by in this category (category median 5).
- Mass
- 185 g datasheet p.3
- Link protocols and waveforms
- CSP command/control interface · datasheet p.1 LoRa SF 8 and 9, payload 2 to 250 B | CSP
- Frequency range
- 865 MHz min · Frequency coverage · datasheet p.3 870 MHz max · Frequency coverage | 865–870 MHz frequency coverage
- Envelope (L×W×H)
- 93.0 x 87.2 x 12.5 mm datasheet p.3
- Data rate
- 1 000 000 kbps CAN-bus · datasheet p.3 100 000 kbps Ethernet | 3 000 000 kbps RS-422
- RX sensitivity
- -130 dBm 99% reception rate, SF9 with CR4 · datasheet p.3 -121.8 dBm PER <1 %, SF8, Gain setting 15 | -126.6 dBm PER <1 %, SF8, Gain setting 20 | -127.6 dBm PER <1 %, SF8, Gain setting 25 | -124.7 dBm PER <1 %, SF9, Gain setting 15 +12
- Modulation
- LoRa (CSS) SF 8 and 9 · datasheet p.1
- Supply voltage
- 4.5 V min · Input voltage · datasheet p.3 4.5 V min · Operational | 40 V max · Input voltage | 40 V max · Operational | 4.5–40 V input voltage
- Power consumption
- 1.5 W Typical, 5 V input, 25°C · datasheet p.3 0.185 W Additional, Ethernet enabled | 0.11 W Additional, RS-422 enabled | 0.08 W Additional, SDRAM enabled | 1.63 W Typical, VIN 28V, CAN on, Ethernet off, RS-422 off +10
- Data interface
- UART EGSE-UART (TTL), 115200 baud · datasheet p.11 other Ethernet; Full duplex, 100 Mbit/s | Ethernet full duplex, 100 Mbit/s | RS-422 full duplex, up to 3 Mbit/s | CAN up to 1 Mbit/s +3
- Operating temperature
- -40 °C min · datasheet p.3 -40 °C min · Operational | -40 °C min · Storage | 85 °C max | 85 °C max · Operational +2
- Radiation tolerance (TID)
- 20 krad board level · datasheet p.13
- TRL
- 9 product page
- Function
- receiver SDR receiver, LoRa · datasheet p.1
- Link use
- IoT / M2M uplink LoRa frame reception · datasheet p.1 signal reception (AIS / ADS-B / spectrum) spectrum sample capture
- Frequency band
- UHF datasheet p.1
- Instantaneous bandwidth
- 125 kHz LoRa bandwidth · datasheet p.1
- TX chains
- 0 datasheet p.1
- RF connector
- SMP antenna input, full detent SMP male, MIL-STD 348A · datasheet p.18
- Board format
- CubeSat Kit bus CubeSat Kit (PC/104) mounting hole layout, enclosure CubeSat … · datasheet p.19
- Connector
- Harwin Gecko G125-MH11605L3P (P1 main), G125-MH10605L3P (P2 EGSE); SMP RF datasheet p.18
- Survival temperature
- -40 °C min · Storage Temperature · datasheet p.14 85 °C max · Storage Temperature | -40–85 °C storage
- Random vibration
- 14.1 g RMS qualification · datasheet p.13
- Flight heritage
- base Polaris hardware platform has extensive flight heritage; Polaris LoRa variant first tested in space 2022 Q2 datasheet p.13
- Satellite class
- CubeSat datasheet p.1 microsat 10-100 kg
- Max RX input level
- 10 dBm max · RF input power, absolute maximum rating · datasheet p.14
- Channel coding (FEC)
- other LoRa coding rate CR 1, 2, 3 and 4 · datasheet p.1
- Duplex
- simplex receiver only · datasheet p.1
- ADC / DAC resolution
- 16 bit ADC, dual channel · datasheet p.6
- Sample rate
- 25 MSPS ADC · datasheet p.6
- Data interface speed
- 1 Mbps CAN · datasheet p.2 100 Mbps Ethernet | 3 Mbps RS-422 | 1 Mbps max · CAN-bus | 3 Mbps max · RS-422
- Additional power (option)
- 0.185 W Additional, Ethernet enabled · datasheet p.17 0.185 W Additional, for Ethernet enabled | 0.11 W Additional, for RS-422 enabled | 0.08 W Additional, for SDRAM enabled | 0.11 W Additional, RS-422 enabled +1
Each value is typed with its unit and measurement condition and cites the datasheet page it was taken from. Nothing is guessed: a field that is absent here has not been published by the manufacturer. machine-extracted ✓ checked by NewSpace Market ✓ manufacturer confirmed by the manufacturer.
As published by the supplier22 lines, in the manufacturer's own wording
- 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.