The Satlab Polaris is a fully self-contained software-defined radio receiver for the maritime VHF band, with integrated demodulators for reception of standard and long-range AIS messages.
This versatile SDR offers excellent performance given the typical size, weight and power constraints of a CubeSat - or as an additional payload on larger LEO satellites.
Polaris is Satlab’s second generation Satellite-AIS receiver, based on the in-orbit experience gained from the QubeAIS receiver, which has flown on several missions since 2013.
|Frequency coverage||156.000 to 162.025 MHz|
|AIS channel frequencies||156.775, 156.825, 161.975, 162.025 MHz|
|Sensitivity||-118 dBm (80% reception rate)|
|Noise figure||2 dB|
|Frame store capacity||261120 frames|
|Input voltage||4.5 - 40 V|
|Typical power consumption||1350 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|
Custom hardware and software request can often be accommodated. Please see the R&D section
Standard lead time: 8 weeks
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