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ISIS 3U CubeSat Bus

Compiled from public sources on 2026-05-25. Not independently verified by ISISPACE.

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Standardised 3U CubeSat bus by ISISPACE, the entry-level commercial platform in the ISIS line. PC/104-based stack architecture, ARM9 OBC, ICEPS compact EPS, VHF/UHF transceiver. Payload volume 1.5-2U. Design lifetime up to 3 years.

ISIS 3U CubeSat Bus is an ISISPACE CubeSat-standard small-satellite bus manufactured by ISISPACE.^[1] The 3U(XL) platform has 1.5-2U payload volume, VHF/UHF TT&C at 9.6 kbps uplink and downlink, and I2C, SPI, and UART data-bus interfaces.^[1] ISISPACE platform qualification uses design and qualification models, while shipped flight units undergo acceptance testing.^[1]

Operator pricing

Pricing not publicly listed by operator

Sources

[1]ISISPACE, CubeSat platforms product pageoperator marketing2026-05-25
[2]ISIS 3U CubeSat platforms PDFoperator datasheet2026-05-25
[3]EO-Atlas current D1 row for isis-3u-bussw measurement2026-05-25

Cite https://eo-atlas.org/products/bus/isis-3u-bus Markdown twin → Field definitions →